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Learn to write congruent triangle proofs using postulates. Given geometric relationships like Alt. interior, Vertical, ASA, and more, practice proving triangles congruent step by step. Complete a proof exercise and work on assigned homework problems.
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Geometry Proving Triangles are Congruent
Learning Outcomes! • I will be able to use congruence postulates to write two column proofs for congruent triangles.
Given Alt. interior Given Vertical ASA
Given MO=OQ O is the midpt of NP NO=OP Vertical angles SAS
Given: ∠A ≅∠E and C is midpoint of BD Prove: ∆ABC ≅∆EDC 16. Complete the following proof. BC=CD Vertical angles AAS
Homework • Pg. 216: 20, 22-25 and pg. 224: 19-22, 32-37