2 years ago

HELP PLEASE, WILL MARK BRANLIEST!!!

Mathematics

1 answer:

zhannawk [14.2K]2 years ago

4 0

Answer:

144

Step-by-step explanation:

angle A + angle B = 180 (supplementary angle)

A = 4B

4b+b=180

5b=180

Divide 5 on both sides to get b=36

180-36= measure of angle A

180-36=144

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