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1 vote
∠A and ∠B supplementary and vertical angles. What is m∠B

135


90


180


45

User Glenis
by
5.9k points

2 Answers

6 votes

Answer:

90

Explanation:

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User DanBlakemore
by
5.1k points
5 votes

Answer:

90°

Explanation:

Supplementary means they add to 180°. Vertical angles are congruent, so they must both be 180°/2 = 90°.

User ThePrince
by
6.6k points