Set 5: Triangles (Beginner)

**Choice A is the best answer.** Third angle = 180 - 41 - 31 = 108 degrees

Explanation

Answer: A

PROBLEM

A triangle has angles of 41 degrees and 31 degrees. What is the third angle?

108

✓ Correct

110

107

111

Detailed Explanation

Choice A is the best answer. Third angle = 180 - 41 - 31 = 108 degrees

Why others are wrong:

B: 110 is incorrect because it does not satisfy the equation.

C: 107 is incorrect because it does not satisfy the equation.

D: 111 is incorrect because it does not satisfy the equation.