Back to Prove triangles congruent — Problem 1 · Task Set 7

Exercises: Prove Triangles Congruent Using Rigid Motions

Work through each section in order. Show your reasoning where indicated.

Grade 9·20 problems·~35 min·Common Core Math - HS Geometry·standard·hsg-co-b-7
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Warm-Up: Review What You Know

These problems review skills from earlier lessons.

Two congruent triangles in different positions with a transformation arrow between them.
1.

Two figures are congruent (under the rigid-motion definition) if and only if which condition holds?