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Geometry ยท SRT

Explain Why AA Similarity Works

Explain why knowing two angle pairs are equal is enough to prove triangles are similar.

GeometryCommon Core HSG-SRT.A.3SRTVerified correct โœ“

Worked examples

Explain why the Angle-Angle (AA) criterion is sufficient to prove two triangles are similar. Why do you only need two pairs of congruent angles? What happens to the third angle automatically?
Answer:
Explain why the Angle-Angle (AA) criterion is sufficient to prove two triangles are similar. Why do you only need two pairs of congruent angles? What happens to the third angle automatically?
Answer:

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