Question

ASAP Find the measure of the third angle of a triangle if the measures of the other two angles are given. 118.6 and 42.3 A. 19.1 B. 36.7 C. 39.1 D. 29.1

Answer 1

A. 19.1

Explanation:

the total measure of a triangle is 180°

118.6+42.3+x=180

160.9+x=180

x=180-160.9

x=19.1°