3E AM Chapter 7: Coordinate Geometry by Qiucen Shaun Low https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m Compassion ☆ Courage ☆ Curiosity en-us 2022-04-23 11:40:34 UTC 2025-12-15 17:42:54 UTC hello@padlet.com What Math concepts do I need? low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154512915 2022-04-23 11:42:38 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154512915 Chapter 7 Overview low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154513214 2022-04-23 11:43:26 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154513214 Find the equation of line L2 that is parallel to line L1 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154519162 2022-04-23 11:57:42 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154519162 Prove that lines are parallel - Example 2 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154519235 2022-04-23 11:57:55 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154519235 Collinear Points - Example 3 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154522132 2022-04-23 12:04:55 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154522132 Midpoint Theorem - Example 7 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154533049 2022-04-23 12:29:16 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154533049 Intersection Points and Midpoint Theorem - Example 8 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154533503 2022-04-23 12:30:15 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154533503 Example 9 - the shortcut “Walking Mtd” based on similar triangles low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154545071 2022-04-23 12:54:15 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154545071 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154547773 2022-04-23 12:59:50 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154547773 Example 10 - Properties of Parallelogram and Rhombus low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154552756 2022-04-23 13:09:50 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154552756 Definition low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154578133 2022-04-23 13:56:53 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154578133 Example 1 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154581099 2022-04-23 14:02:06 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154581099 Proof why m1m2 = -1 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154582013 2022-04-23 14:03:23 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154582013 m1m2 = -1 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154586086 2022-04-23 14:10:49 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154586086 Example 4 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154624700 2022-04-23 15:17:38 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154624700 Example 5 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154624842 2022-04-23 15:17:54 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154624842 Example 6 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154635357 2022-04-23 15:37:46 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154635357 Equation of Perpendicular Bisectors low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154639436 2022-04-23 15:45:25 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154639436 Example 11 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154653405 2022-04-23 16:09:14 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154653405 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154654611 Let’s explore the 3 new concepts under AM!!]]> 2022-04-23 16:11:25 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154654611 Chapter 7 at a Glance low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154659842 2022-04-23 16:21:25 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2154659842 See how effective the Shoelace Method is (watch 2:24-3:40) low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2159774766 2022-04-27 05:13:12 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2159774766 Walking Method is useful to find ratio of lengths low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2159975929 2022-04-27 08:07:58 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2159975929 Walking method is useful for finding coordinates of another vertex low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2159976701 2022-04-27 08:08:34 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2159976701 The all POWERFUL Shoelace Method low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2160033133 2022-04-27 08:54:42 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2160033133 Example 13 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2160072498 2022-04-27 09:28:25 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2160072498 Example 14 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2160102511 2022-04-27 09:56:24 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2160102511 Example 12 low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2161627259 Note, in the method I used:
- we did not even need to know whether the triangle was ACB or ABC 
- we did not even bother about clockwise or anticlockwise ]]> 2022-04-28 06:06:10 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2161627259 How to use the Shoelace Method low_qiucen_shaun1 https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2161723629 2022-04-28 07:24:32 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2161723629 Properties of Quadrilaterals https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2173683620 2022-05-07 06:49:46 UTC https://padlet.com/low_qiucen_shaun1/3mu3znldqrhty42m/wish/2173683620