Question

Which of the following could be the three angle measures of a triangle?

A. 26°, 17°, 47°
B. 26°, 107°, 47°
C. 26°, 127°, 47°
D. 26°, 117°, 47°

Answer 1

B.

Explanation:

The angles of a triangle are supplementary, meaning that they have a sum of 180 degrees. B is the only answer where the angles add up to 180.

26 + 107 + 47 = 180