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10:56
YouTube
The Organic Chemistry Tutor
Two Column Proofs - Proving Isosceles Trapezoids - Geometry
This geometry video tutorial explains how to use two column proofs to do prove if a figure is indeed an isosceles trapezoid. Theorems used in this video include the vertical angle theorem, the AAS triangle congruence postulate, CPCTC, and the reflexive property. Polygons: https://www.youtube.com/watch?v=E_-3ulbtcLk Angles of Regular Polygons ...
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