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# Similarity by AA, SSS, SAS

## Proving triangles similar with congruent angles and proportional sides.

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Geometry Similarity

Given Some Information About Two Triangles, Are They Similar
teacher Contributed
If $\triangle ABC$ has angles with measures of $50$° and $100$°, $\triangle DEF$ has angles with measures of $30$° and $100$° then $\triangle ABC$ and $\triangle DEF$ are similar by AA similarity.

qid: 100262
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