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∠1 and ∠2 are supplementary. If m∠1 = (3x - 17)° and m∠2 = (5x + 21)°. Find the value of x.
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∠1 and ∠2 are supplementary. If m∠1 = (3x - 17)° and m∠2 = (5x + 21)°. Find the value of x.

User JonasH
by
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2 Answers

4 votes
Supplementary angles are angles that add to 180 degrees......in this case "x" would equal 22
User Aleksej
by
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Supplementary angles add up to 180 degrees.

m∠1 + m∠2 = 180°
(3x - 17) + (5x + 21) = 180
8x + 4 = 180
8x = 176
x = 22

The value of x is 22 degrees.
User Samran
by
8.1k points
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