https://padlet.com/trinh10ctt1/Bookmarks MÔN TOÁN 8 en-us 2022-03-03 08:25:42 UTC 2026-02-03 18:24:10 UTC hello@padlet.com https://padlet.com/trinh10ctt1/Bookmarks/wish/2077464449 2022-03-04 07:13:42 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077464449 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077466754 2022-03-04 07:15:45 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077466754 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077467405 2022-03-04 07:16:23 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077467405 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077467565 2022-03-04 07:16:33 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077467565 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077468258 2022-03-04 07:17:15 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077468258 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077468568 2022-03-04 07:17:34 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077468568 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077469429 2022-03-04 07:18:23 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077469429 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077470934 2022-03-04 07:19:50 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077470934 tutai19072008 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077471485 2022-03-04 07:20:19 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077471485 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077472386 2022-03-04 07:21:09 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077472386 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077472695 2022-03-04 07:21:23 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077472695 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077473776 2022-03-04 07:22:18 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077473776 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077473828 2022-03-04 07:22:21 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077473828 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077474691 2022-03-04 07:23:03 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077474691 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077477603 2022-03-04 07:25:29 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077477603 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077477709 2022-03-04 07:25:34 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077477709 lenguyenhoangdung10 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077478320 2022-03-04 07:26:05 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077478320 lenguyenhoangdung10 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077478670 2022-03-04 07:26:27 UTC https://padlet.com/trinh10ctt1/Bookmarks/wish/2077478670 https://padlet.com/trinh10ctt1/Bookmarks/wish/2077479006 bài 35
tam giác A'B'C' đồng dạng vs tam giác ABC theo tỉ số k :
góc B'=góc B
góc A'=góc A
A'B'/AB=k
xét tam giác A'B'D' và tam giác ABD có:
góc B' = góc B
góc B'A'D'=góc BAD
suy ra:tam giác A'BD' đồng dạng vs tam giác ABD
suy ra:A'D'/AD=A'B'/AB=k

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