# What are corresponding angles in similar triangles?

##### 1 Answer

Dec 23, 2015

Thy are equal in size.

#### Explanation:

Similar triangles have all corresponding angles equal.

Hence you only have to prove 2 equal then the 3rd ones will automatically be equal by the theorem involving the sum of the interior angles of a triangle.

Furthermore, for a similar triangle, the corresponding sides lengths are also in direct proportion.