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12:00
YouTube
MrPilarski
Special Parllelograms Part 2 Rhombus and Rectangle Proofs | Geometry Help
In this video, I model how to write a geometric proof. I use the two column method to prove two theorems. First, I prove that the diagonals of a rectangle are congruent. This amounts to be a triangle proof to use CPCTC. The second proof covers the theorem that states the diagonals of a rhombus are perpendicular.
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