Question

The first two angles in a triangle are 90 degrees and 50 degrees. What does the third angle have to be?

A. 20 degrees
B. 40 degrees
C. 50 degrees
D. 90 degrees

Answer 1

B) 40 degrees

Explanation:

90 + 50 = 140

Each triangle have 180 °

180 - 140 = 40