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# Similarity by AA, SSS, SAS

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

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When you compare two triangles, if the corresponding sides are in ratio of $\frac{5}{10}$$\dfrac{5}{10}$ and $\frac{8}{20}$$\dfrac{8}{20}$, then the triangles are similar by the SSS similarity test.

qid: 100274
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