Question 100962
Find the measure of an angle that is twice as large as its supplement.
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Let the angle be "x".
The measure of its supplement is "180-x".
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EQUATION:
x = 2(180-x)
x = 360-2x
3x = 360
x = 120 (the angle)
180-x = 60 (the supplement)
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Cheers,
Stan H.