9

Set 2: Triangles (Beginner)

Explanation

Answer: D

PROBLEM

A triangle has angles of 46 degrees and 34 degrees. What is the third angle?

A triangle has angles of 46 degrees and 34 degrees. What is the third angle?

A.

103

B.

101

C.

102

D.

100

✓ Correct

Detailed Explanation

Choice D is the best answer. Third angle = 180 - 46 - 34 = 100 degrees

Why others are wrong:
A: 103 is incorrect because it does not satisfy the equation.
B: 101 is incorrect because it does not satisfy the equation.
C: 102 is incorrect because it does not satisfy the equation.