Question

An exterior angle of a triangle equals the sum of the interior angles.. . True. False

Answer 1

false it equals the sum of the other angles it is not supplementary to

Answer 2

False

Explanation:

The exterior angles of a triangle are formed by one side and its extension.

The value of an exterior angle of a triangle is equal to the sum of the two non-adjacent interiors. An interior and exterior angle of a triangle are supplementary, in another words, their total is 180º.

For example, from the picture:

`\beta=180-B\\\alpha=180-A\\\gamma=180-C`