# Explanation of how two isosceles triangles are similar.

Please give a through explanation to the following. thank you

Answer true or false.

a. If each of two isosceles triangles has an angle that measures 120 degrees, then the two isosceles triangles must be similiar.

b. If each of two isosceles triangles has an angle that measures 40 degrees, then the two isosceles triangles must be similiar.

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#### Solution Preview

a. TRUE - The angles are 120, 30 and 30 for each isosceles triangle and hence ...

#### Solution Summary

This solution shows how two isosceles triangles with one given angle, acute or abtuse, can be proved to be similar triangles.

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