Question

A triangle has interior angles

measuring
50°, 60°, and 70°.
What is the measure of the largest
exterior angle for this triangle?

Answer 1

130°

Explanation:

The exterior angle of a triangle is the sum of the interior angles.

Obviously the largest exterior angle will be the sum of the largest interior angles which are 60 and 70

So measure of largest exterior angle = 60 + 70 =130°