What is the measure of angle A if angle A and angle B are supplementary and the measure of angle B is 20? A. 160 B. 90 C. 70 D. 180

asked Jul 14, 2021 215k views

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What is the measure of angle A if angle A and angle B are supplementary and the measure of angle B is 20?

A. 160
B. 90
C. 70
D. 180

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3 votes

Answer:

A. 160

Explanation:

Supplementary angles add to be 180. Subtract 20 from 180 and you get 160.

Andrew Oakley answered Jul 18, 2021

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