Question

Two of the angles in a triangle measure 23° and 8°. What is the measure of the third angle?

Answer 1

bit easiest to solve when you can visualise it

Answer 2

The 3 inside angles of a triangle equal 180 degrees.

You are given 23 and 8 for two of them.

Subtract the 2 given angles from 180 to find the 3rd angle.

3rd angle = 180 -23 - 8 = 149 degrees.