https://padlet.com/sally9031/cfw77msg8791vsii en-us 2023-07-07 01:01:49 UTC 2023-11-12 13:39:37 UTC hello@padlet.com sally9031 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640030016 2023-07-07 01:10:48 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640030016 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640061890 2023-07-07 01:40:46 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640061890 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640076141 2023-07-07 01:56:30 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640076141 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640079571 2023-07-07 01:59:53 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640079571 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640081707 2023-07-07 02:01:51 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640081707 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640082584 2023-07-07 02:02:41 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640082584 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640083106 2023-07-07 02:03:14 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640083106 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640086258 2023-07-07 02:06:02 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640086258 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640088707 이름써서 다시냈슴다!!]]> 2023-07-07 02:08:08 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640088707 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640089285 2023-07-07 02:08:38 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640089285 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640089549 삼각형 2배해주면 평행사변형이 되어 밑변 x 높이가 가능하다.]]> 2023-07-07 02:08:52 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640089549 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640089677 삼각형을 두배해 직사각형을 만든다 공식은밑변×높이÷2=넓이이다]]> 2023-07-07 02:08:59 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640089677 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640090029 평행사변형을 삼각형과 사다리꼴로 나누어서 직사각형을 만들었습니다.
밑변×높이]]> 2023-07-07 02:09:17 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640090029 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640090500 2023-07-07 02:09:43 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640090500 student_161 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640091955 2023-07-07 02:10:57 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640091955 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640092956 평행사변형을 나눠 직사각형을 만든다.
따라서 공식은 밑변×높이이다.]]> 2023-07-07 02:11:46 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640092956 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640093838 2023-07-07 02:12:30 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640093838 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640094572 평행사변형의 넓이는 직사각형의 넓이를 구하는 방법과같으므로 (밑변)×(높이)이다.]]> 2023-07-07 02:13:07 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640094572 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640094735 사다리꼴을 나눠 직사가형을 만든다 공식은 윗변+아렛변×높이÷2=넓이]]> 2023-07-07 02:13:15 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640094735 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640095193 평행사변형을 하나는 직각삼각형 하나는 마름모로해서 정사각형으로  
만든다.
:.밑변×놉이=넓이]]> 2023-07-07 02:13:39 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640095193 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640095623 2023-07-07 02:14:00 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640095623 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640096622 2번을 옮기면 직사각형 모양이 된다. 가로 ×세로=평행사변형 넓이]]> 2023-07-07 02:14:51 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640096622 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640096733 사다리꼴을 3개로 나눈 뒤 모두 2배 해주면 직사각형이 되어 계산 가능하고 밑변 x 높이 에다가 나누기 2 까지 해주면 된다]]> 2023-07-07 02:14:57 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640096733 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640096753 1.평행사변형을 직각삼각형과 사다리꼴로 나눈다.
2.직각삼각형을 오른쪽에 붙인다.
공식:밑변×높이]]> 2023-07-07 02:14:58 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640096753 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640096782 2023-07-07 02:15:00 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640096782 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640097799 2023-07-07 02:15:46 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640097799 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640098504 2023-07-07 02:16:18 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640098504 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640099689 사다리꼴을 나눠 평행사변형을 만드면 공식은 윗변+아렛변×높이÷2=넓이이다]]> 2023-07-07 02:17:17 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640099689 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640099762 2023-07-07 02:17:21 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640099762 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640100155 2023-07-07 02:17:40 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640100155 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640100317 (설명)평행사변형을삼각형과 사다리꼴로 나타내면 삼각형을 옮기어 직사각형으로 만든다.
(공식)밑변x높이
 



]]> 2023-07-07 02:17:48 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640100317 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640100750 2배해주면 평행사변형이 되고 그를 밑변 x 높이로 계산 후 나누기 2를 하면 된다.]]> 2023-07-07 02:18:09 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640100750 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640101168 2023-07-07 02:18:30 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640101168 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640101919 삼각형을 2매하면 직사각형 넓이.
따라서 공식은 가로×세로 ÷2]]> 2023-07-07 02:19:09 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640101919 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640103102 2023-07-07 02:20:06 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640103102 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640104271 마름모를 3개로 나눈 후 아랫 2개를 위로 올리면 직사각형 모양이 되어 밑변 x 높이가 가능하다.]]> 2023-07-07 02:20:54 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640104271 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640104434 삼각형을 두개 붙이면 평행사변형이 된다.
따라서 삼각형 넓이공식은 밑변×높이÷2이다.]]> 2023-07-07 02:21:01 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640104434 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640105068 2023-07-07 02:21:30 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640105068 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640105393 1.삼각형을 2개 붙여 평행사변형을 만든다.
2.평행사변형의 넓이를 구한뒤 ÷2를 한다.
공식:밑변×높이÷2]]> 2023-07-07 02:21:45 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640105393 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640106663 마름모를 4개로 나눠 직사각형을 만든다 공식은 밑변×높이÷2=넓이이다]]> 2023-07-07 02:22:48 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640106663 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640107046 2023-07-07 02:23:07 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640107046 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640107173 2023-07-07 02:23:14 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640107173 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640107751 삼각형을 하나 더 추가해서 평행사변형을 만든후 평행사변형의 넓이에서 나누기 2를 한다.
삼각형의 넓이는 밑변×높이÷2]]> 2023-07-07 02:23:46 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640107751 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640107784 2023-07-07 02:23:47 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640107784 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640108478 2023-07-07 02:24:08 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640108478 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640109208 마름모를 가로로 2개 나눈 후 하나를 위로 올려 평행사변형을 완성, 밑변 x 높이]]> 2023-07-07 02:24:46 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640109208 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640110879 마름모를 나눠 평행사변형 2개를 만든다 공식은 밑변×높이÷2=넓이이다]]> 2023-07-07 02:26:14 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640110879 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640111227 2023-07-07 02:26:32 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640111227 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640111813 2023-07-07 02:27:03 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640111813 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640111829 사다리꼴 넓이=가로×세로÷2
사다리꼴을 사각형과 삼각형2개로 나눈다. 거기에×2를한다. 그러면 사각형 모양이 만들어진다.

]]> 2023-07-07 02:27:03 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640111829 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640113149 2023-07-07 02:28:09 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640113149 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640113596 여러조각으로 나누고 ×2를 해서 평행사변형을 만든다.
그 상태로 계산을 하고 ÷2를 한뒤 사다리꼴의 윗변과 밑변으로 구분해서 계산해보면 아래의 식이 나온다.
(윗변+밑변)×높이÷2]]> 2023-07-07 02:28:32 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640113596 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640113610 2023-07-07 02:28:33 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640113610 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640114830 1.사다리꼴을 2개 붙인다.
2.직사각형의 넓이÷2를 한다.
공식:(밑변+윗변)×높이÷2]]> 2023-07-07 02:29:38 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640114830 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640115591 2023-07-07 02:30:16 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640115591 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640115627 2023-07-07 02:30:18 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640115627 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640116072  (설명)평행사변형은 (밑변)x(높이)이므로 (밑변)x(높이)÷2
(공식)(밑변)x(높이)÷2]]> 2023-07-07 02:30:40 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640116072 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640116133 2023-07-07 02:30:43 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640116133 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640116431 사다리꼴 증명]]> 2023-07-07 02:30:58 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640116431 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640117134 사다리꼴을 3개로 나눈 뒤 모두2배 해준다.
따라서 사다리꼴의 넓이 공식은 (아랫변+윗변)×높이÷2이다.]]> 2023-07-07 02:31:29 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640117134 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640118660 2023-07-07 02:32:48 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640118660 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640118902 밑변 곺하기 나누기 2 를. 한다.]]> 2023-07-07 02:33:01 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640118902 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640119617 2023-07-07 02:33:39 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640119617 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640119649 사다리꼴×2=평행사변형
÷2=사다리꼴 1개 넓이]]> 2023-07-07 02:33:41 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640119649 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640119867 2023-07-07 02:33:53 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640119867 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640119990 1.사다리꼴을 2개 붙인다.
2.넓이를 구한뒤,÷2를 한다
공식:(윗변+밑변)×높이÷2]]> 2023-07-07 02:33:59 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640119990 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640121829 사다리꼴 2개로 직사각형을 만든 후 직사각형의 넓이에서 나누기 2를 한다.]]> 2023-07-07 02:35:13 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640121829 sally9031 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640171493 2023-07-07 03:19:04 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640171493 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640208711 평행사변형을 삼각형과 사다리꼴로 나눈 뒤 각각의 넓이를 구해 더해준다

밑변×높이=평행사변형의 넓이]]> 2023-07-07 04:11:12 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640208711 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640209740 2023-07-07 04:12:50 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640209740 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640210281 2023-07-07 04:13:46 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640210281 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640213504 마름모를 직사각형으로 만들면 가로는 한 대각선의 반,세로는 다른 대각선의 반이된다.그래서 둘을 곱한다음 ÷2를 한다.
대각선×다른 대각선÷2]]> 2023-07-07 04:18:25 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640213504 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640214300 삼각형을 똑같이 하나 더  만든 후 정사각형 넓이 구한 뒤 ÷2를 한다

((한 변길이×한 변길이)÷2]]> 2023-07-07 04:19:18 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640214300 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640217046 마름모를 삼각형 4개로 나누면 직사각형이 된다.
한 대각선×다른 대각선 ÷2]]> 2023-07-07 04:22:02 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640217046 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640217813 평행사변형의 넓이는 밑변×높이지만 삼각형이 2개 있으므로 따라서 밑변×높이÷2이다.

]]> 2023-07-07 04:22:53 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640217813 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640220358 2023-07-07 04:25:58 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640220358 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640221826 2023-07-07 04:27:45 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640221826 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640222052 두 직각 삼각형을 합치면 정사각형이 되기에 직사각형 넓이를 구한 후 정사각형의 넓이를 빼준다

(밑변×높이)-(정사각형 한 변의 길이×정사각형 한 변의 길이)]]> 2023-07-07 04:28:03 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640222052 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640222717 마름모를 쪼개 평행사변형을 만들면 대각선이 밑변과 높이가 된다.이를 통해서 계산하고 식을 세우면
대각선×다른 대각선÷2]]> 2023-07-07 04:28:52 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640222717 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640223363 4개 도형의넓이 다 구해 각각 합치기]]> 2023-07-07 04:29:47 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640223363 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640223659 마름모를 삼각형2개로 나누고, 2개의 삼각혀을 붙여, 평행사변형을 만듭니다.
대각선×대각선 ÷2]]> 2023-07-07 04:30:09 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640223659 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640224033 2023-07-07 04:30:35 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640224033 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640225404 2023-07-07 04:32:21 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640225404 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640225491 2023-07-07 04:32:29 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640225491 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640228194 사다리꼴을 평행사변형과 삼각형으로 나눈뒤 평행사변형,삼각형 각각 넓이 구한후 더한다

(밑변×높이)+(밑변×높이÷2)]]> 2023-07-07 04:36:03 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640228194 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640228921 2023-07-07 04:37:05 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640228921 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640230115 2023-07-07 04:38:43 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640230115 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640230364 1.마름모를 4조각으로 자르고 붙여서 직사각형을 만든다.
2.넓이를 구한뒤 ÷2를 한다.
공식:대각선×다른 대각선÷2]]> 2023-07-07 04:38:56 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640230364 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640230587 (밑변 더하기 아랫변)곱하기네모 나누기 2]]> 2023-07-07 04:39:16 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640230587 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640230822 모든 도형을 더해 넓이를 구하세요.(오리)]]> 2023-07-07 04:39:35 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640230822 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640231432 2023-07-07 04:40:31 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640231432 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640231653 2023-07-07 04:40:52 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640231653 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640232069 2023-07-07 04:41:27 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640232069 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640234407 2×2=4제곱 cm]]> 2023-07-07 04:44:37 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640234407 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640234714 2023-07-07 04:45:01 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640234714 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640234878 산각형 4개를 추가해 직사각형을 만들고 직사각형 넓이구한후 네 삼각형 넓이를 뺀다

한 대각선×다른 대각선 ÷2]]> 2023-07-07 04:45:15 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640234878 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640235544 사다리꼴을 하나더 만들면 평행사변형이 된다.
따라서 사다리꼴 넓이 공식은 (아랫변+윗변)×높이÷2이다.]]> 2023-07-07 04:46:08 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640235544 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640236203 직사각형의 넓이는 가로×세로지만 1,2,3번 조각들을 다 두배 했으므로÷2를 해야한다.]]> 2023-07-07 04:46:58 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640236203 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640236495 2023-07-07 04:47:21 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640236495 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640236503 2023-07-07 04:47:22 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640236503 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640237342 1.말름모를 반으로 나눈다.
2.평행사변형으로 바꾼후 넓이를 구한다.
공식:대각선×다른 대각선÷2]]> 2023-07-07 04:48:34 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640237342 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640237962 밑변 더하기 아랫변 곱하기높이 나누기 2]]> 2023-07-07 04:49:27 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640237962 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640240988 마름모와 평행사변형의 넓이는 같기 때문에 원래 공식으로 푼다

(한 대각선×다른 대각선)÷2]]> 2023-07-07 04:52:59 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640240988 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640242485 2023-07-07 04:54:44 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640242485 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640242917 마름모를 3개로 분할하여 직사각형으로 만든다.
따라서 마름모의 넓이 공식은 한 대각선×다른 대각선이다.]]> 2023-07-07 04:55:13 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640242917 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640244613 2023-07-07 04:57:04 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640244613 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640246439 2023-07-07 04:59:15 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640246439 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640467521 사디리꼴을 보조선으로 나누고 2배를 한후
직사각형의 넓이를 구하는 식인 가로 곱하기 세로를 하고 나누기2를 하면된다.
따라서 3x7=21,21나누기2는 10.5제곱cm이다]]> 2023-07-07 12:13:32 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640467521 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640471399 평행사변형의 넓이를 구하는 공식에 나누기를 추가하면 된다.
따라서 3x7 나누기 2=10.5제곱cm이다.]]> 2023-07-07 12:21:24 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640471399 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640474096 직사각형의 넓이를 구하는 공식은 가로x세로이다.
따라서 6x3=18,18제곱cm이다.]]> 2023-07-07 12:28:04 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2640474096 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642125936 정사각형의 넓이와 삼각형의 넓이를 구한후 더해 준다.

(정사각형의 한 변 길이x정사각형의 한 변 길이)+(삼각형의 밑변x높이 나누기2)]]> 2023-07-11 00:15:13 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642125936 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642126690 2023-07-11 00:16:11 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642126690 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642127646 마름모를 2개로 분할하여 평행사변형을 만든다.
따라서 마름모의 넓이 공식은 
한 대각선x다른 대각선이다.]]> 2023-07-11 00:17:20 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642127646 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642128112 마크 스티브]]> 2023-07-11 00:17:55 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642128112 noteblock11 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642129192 윗변 더하기 아레변 곱하기 높이 나누기 2]]> 2023-07-11 00:19:09 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642129192 wmtpc160 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642129767 2023-07-11 00:19:48 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642129767 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642131177 2023-07-11 00:21:13 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642131177 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642132075 2023-07-11 00:22:06 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642132075 wmtpc170_1_1 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642132196 고양이(?)]]> 2023-07-11 00:22:14 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642132196 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642133010 2단계에서 만든 직사각형은 원래 있던 아랫변과 윗변을 더한 것이 밑변이지만 1,2,3번 조각을 각각 2배 했으므로 
사다리꼴의 넓이를 구하는 공식은 (윗변+아랫변)X높이나누기2.]]> 2023-07-11 00:22:47 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642133010 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642133649 2023-07-11 00:23:25 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642133649 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642135231 사다리꼴 2개로 평행사변형을 만든후 평행사변형의 넓이를 구한 후 나누기 2를 한다.
밑변+윗변x높이 나누기 2= 사다리꼴의 넓이]]> 2023-07-11 00:25:04 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642135231 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642135575 바람개비의 넓이를 구하시오]]> 2023-07-11 00:25:25 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642135575 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642159500 직사각혛의 넓이를 구하는 식은 무엇일까요?
가로곱하기 세로이다.]]> 2023-07-11 00:45:57 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642159500 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642160636 2023-07-11 00:47:07 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642160636 noteblock11 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642161065 대각선 곱하기 다른 대각선 나누기 2]]> 2023-07-11 00:47:36 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642161065 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642162845 2023-07-11 00:49:34 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642162845 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642163095 각각의 넓이를 구한뒤 모두 더하면 비행기의 넓이가 된다.]]> 2023-07-11 00:49:51 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642163095 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642164198 5개의넓이의 합을 구하세요]]> 2023-07-11 00:51:03 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642164198 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642164758 2곱하기 2를 ㅎ5ㅏ매녀 된다.]]> 2023-07-11 00:51:36 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642164758 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642166609 2023-07-11 00:53:07 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642166609 noteblock11 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642167344 대각선 곱하기 다른 대각선 나누기 2]]> 2023-07-11 00:53:52 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642167344 wmtpc160 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642167547 2023-07-11 00:54:05 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642167547 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642167611 2023-07-11 00:54:09 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642167611 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642168076 2023-07-11 00:54:37 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642168076 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642170428 2023-07-11 00:56:47 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642170428 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642170735 2023-07-11 00:57:02 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642170735 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642171541 2023-07-11 00:57:47 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642171541 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642172672 16개의도형으로넓이를구하시오]]> 2023-07-11 00:58:54 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642172672 noteblock11 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642173440 모든 도형을 더해 넓이를 구하세요 (학교)]]> 2023-07-11 00:59:38 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642173440 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642173930 2023-07-11 01:00:06 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642173930 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642174761 2단계에서 평행사변형의 밑변은 1번의 윗변+아랫변이고 곱하기2를 해야지 평행사변형의 넓이를 구할 수 있다. 하지만 1번 조각을 2배 한 것이므로 사다리꼴의 넓이는 (윗변+아랫변)X높이 나누기2]]> 2023-07-11 01:00:49 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642174761 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642175211 2023-07-11 01:01:13 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642175211 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642178708 2023-07-11 01:04:30 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642178708 wmtpc169 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642180295 2023-07-11 01:05:55 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642180295 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642183592 사다리꼴을 2배하고 한 사다리꼴을 뒤집어서 평행사변형을 만든다. 그다음 평행사변형의 넓이를 구한다. 하지만 2배한 관계로, 넓이를 구한다음 2로 나눈다.
=> 4x2=8, 2로 나누면 다시 4이다!
그래서 결과적으로 답은 4제곱cm이다.]]> 2023-07-11 01:08:46 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642183592 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642184564 (설명)사다리꼴을 잘라서 두배 하면 직사각형이되므로(윗변+밑변)x높이-:-2하면 됩니다.]]> 2023-07-11 01:09:40 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642184564 wmtpc169 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642186095 2023-07-11 01:10:54 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642186095 wmtpc160 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642188417 마름모의 세로 대각선을 a, 가로 대각선을 b라고 했을때, 마름모를 a와b로 분열하면 1,2,3,4로 나눠지는데, 이때 1과 3을, 2와 4를 붙이면 직사각형이 됩니다.
이때 a와b는 직사각형의 가로와 세로가 됩니다. 직사각형의 넓이공식은 가로 X 세로 이고, 현재그린 사각형은 (a와b)X2입니다. 하지만 우리가 구하려는건 aXb이기 때문에 나누기 2를 해주어야 합니다.
따라서 마름모위 넓이공식은 한대각선 곱하기 다른대각선 나누기 2입니다.]]> 2023-07-11 01:12:53 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642188417 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642192073 2단계에서는 1,2,3,4조각을 각각 2배 하여 만든 직사각형이므로 가로X세로 나누기2이다.
따라서 마름모의 넓이는 한 대각선의 길이X다른 대각선의 길이 나누기2]]> 2023-07-11 01:15:46 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642192073 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642195145 사다리꼴을 두배 하여서 평행사변을 만드므로 (밑변+윗변)x높이-:-2입니다.]]> 2023-07-11 01:18:29 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642195145 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642196374 삼각형2개를 붙여서 평행사변형을만든다.
평행사변형의 넓이를 구한뒤 나누기2를 하면 된다.
공식:밑변 x높이 나누기 2]]> 2023-07-11 01:19:30 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642196374 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642198404 2023-07-11 01:21:11 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642198404 wmtpc160 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642199650 2023-07-11 01:22:07 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642199650 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642205277 사다리꼴 2개로 직사각형을 만든후 직사각형의 넓이에서 나누기2를한다.]]> 2023-07-11 01:26:46 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642205277 wmtpc160 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642205444 2023-07-11 01:26:55 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642205444 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642206554 마름모를 평행하게 가로대각선을 따라 자르면 두 삼각형이 만들어진다. 이 두삼각형을 조작해서 평행사변형을 만든다. 그리고 평행사변형의 넓이를 구한다.
=> 2x1= 2제곱 cm]]> 2023-07-11 01:27:45 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642206554 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642207290 2단계에서는 밑변이 a와 같고 높이는 b와 같다.하지만 1,2를 각각 2배 한 것이다.
따라서 마름모의 넓이는 (한 대각선의 길이X다른 대각선의 길이) 나누기2.]]> 2023-07-11 01:28:21 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642207290 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642207589 2023-07-11 01:28:36 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642207589 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642209017 2023-07-11 01:29:40 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642209017 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642209916 마름모를 4개의 삼각형으로 나누어 직사각 형 모양으로 붙이면 된다.
대각선x다른 대각선-:-2입니다.]]> 2023-07-11 01:30:24 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642209916 sally9031 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642394849 0. Math2D의 다각형 만들기, 넓이 구하기 기능을 사용할 수 있는가?
1. 등적변형으로 평행사변형 넓이 구하는 공식을 설명할 수 있는가?
2. 배적변형으로 삼각형 넓이 구하는 공식을 설명할 수 있는가?
3. 배적변형으로 사다리꼴 넓이 구하는 공식을 설명할 수 있는가?
4. 등적변형 또는 배적변형으로 마름모 넓이 구하는 공식을 설명할 수 있는가?
5. 여러가지 다각형의 넓이 구하는 공식을 통해 다각형의 넓이를 구할 수 있는가?]]> 2023-07-11 04:28:06 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642394849 sally9031 https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642396950 2023-07-11 04:30:19 UTC https://padlet.com/sally9031/cfw77msg8791vsii/wish/2642396950