Question

The two angles of a triangle are 78 ° and 82°. So what is the measure of the remaining third angle? a. 160° b. 20° c. 360° d. 180°​

Answer 1

B. :))

Explanation:

Triangles = 180°

78 + 82 + x = 180

160 + x = 180

x = 20

B.