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Setler79 [48]
4 years ago
13

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

Mathematics
1 answer:
Volgvan4 years ago
5 0

Answer:

A. 160

Step-by-step explanation:

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

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