Back to Prove theorems using similarity — Problem 1 · Task Set 17

Exercises: Prove Theorems Using Similarity

Show all work. For proof problems, write complete reasoning in paragraph or two-column form.

Grade 9·21 problems·~35 min·Common Core Math - HS Geometry·standard·hsg-srt-b-4
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Warm-Up: Review What You Know

These problems review skills from previous lessons.

1.

Two triangles share the same vertex angle AA. If a second pair of angles is also equal, which similarity criterion guarantees the triangles are similar?