Back to Establish AA similarity criterion — Problem 2 · Task Set 16

Exercises: Establish AA Similarity Criterion

Work through each section in order. Show your reasoning where indicated. For problems that ask you to determine similarity, identify the two angle pairs that allow you to apply AA.

Grade 9·20 problems·~30 min·Common Core Math - HS Geometry·standard·hsg-srt-a-3

Work through problems with immediate feedback

Warm-Up: Review What You Know

These problems review skills you have already learned.

Which statement best describes the AA (Angle-Angle) criterion for triangle similarity?

If two sides of one triangle are proportional to two sides of another triangle, the triangles are similar.

If two angles of one triangle are congruent to two angles of another triangle, the triangles are similar.

If all three angles of one triangle are congruent to all three angles of another triangle, the triangles are similar.

If two angles of one triangle are congruent to two angles of any polygon, the triangles are similar.