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 . If a second pair of angles is also equal, which similarity criterion guarantees the triangles are similar?