Question

Given the diagram below, determine the measure of angles A, B, and C.
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Answer 1

A = 115°

B = 115°

C = 65°

Explanation:

Vertically opposite angles are equal.

A = 115°

Corresponding angles are equal.

B = 115°

Alternate angles add up to 180°.

A + C = 180

C = 180 - A

C = 180 - 115

C = 65°