SOLUTION: the measure of a angle b is five times the measure of its supplement

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Question 159391: the measure of a angle b is five times the measure of its supplement
Answer by checkley77(12844) About Me  (Show Source):
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B/5+B=180
(B+5B)/5=180
6B/5=180
6B=180*5
6B=900
B=900/6
B=150 DEGREES IS ANGLE B MEASUREMENT.
PROOF:
150/5+150=180
30+150=180
180=180