5
QuizMultiple Choice

Finding Unknown Angle Measures — Quiz

Question 5 • Grade 7 Mathematics

Two angles in a triangle measure 102 degrees and 67 degrees What is the measure of the third angle?

Answer
A
78 degrees
B
11 degrees
C
169 degrees
D
113 degrees

Explanation

The angles in a triangle add up to 180 degrees. The two known angles total 102 + 67 = 169 degrees, so the third angle is 180 − 169 = 11 degrees. The correct choice is 11 degrees.

AI-written and checked against the verified answer.

Previous
Next