You can put this solution on YOUR website! an angle is it's own compliment. Find the measure of a supplement to this angle
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Let the angle be "x".
Equation:
x = 90-x
2x = 90
x = 45
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The supplement to 45 is 180-45 = 135 degrees
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Cheers,
Stan H.
Reply to stanbon@comcast.net or algebra.com