Proving (Aaa) (Sas)

Proving (Aaa) (Sas)
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Does anyone have a clue how I can prove that (Angle - Angle - Angle) <-> (Side - Angle - Side) for the similarity of triangles? I don´t know where to start?

/Alex

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2

1 Answer

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HINT.

Construct the given triangles so that they have an angle in common. Then use the intercept theorem and its converse.

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Sarah Jenkins
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Sarah Jenkins

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