Question

The measure of L in triangle LMN is 36°. The measure of M is 75°. What is the measure of N?

A.
111°
B.
39°
C.
69°
D.
249°

Answer 1

C. 69°

Explanation:

The sum of interior angles in a triangle is equal to 180

two of the angles are given to find the third one we subtract their sum from 180

180 - (36+75) = 69 degrees