Solve the problem.
-The three angles in a triangle always add up to 180°. If one angle in a triangle is 56° and the second is 3 times the third, what are the three angles?
A) 56°, 92°, 32°
B) 56°, 91°, 33°
C) 56°, 94°, 30°
D) 56°, 93°, 31°

Question

Quizplus · Accepted Answer

The third angle is x, so the second angle is 3x. The equation is 56 + 3x + x = 180. Solving gives x = 31, so the angles are 56°, 93°, and 31°.

Solve the Problem. -The Three Angles in a Triangle Always Add Up to Add