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What is the measure of an angle that is eight times its supplement?

User Nick Bull
by
7.4k points

1 Answer

1 vote
Remark
Supplementary angles = 180°

Givens
Let the supplement = x
Let the original angle = 8x

Formula
x + 8x = 180°

Solve
9x = 180° Divide by 9
x = 180/9
x = 20

Answer
The original angle = 8*20 = 160°
The Supplement = 20°
User Mace
by
7.9k points