You can put this solution on YOUR website! 20% of an angle is the supplement of 60°. Find the angle.
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The supplement of 60 degrees is 180-60 = 120 degrees
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Let the "angle" be "x"::
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Equation::
0.20x = 120
x = 120/0.2 = 1200/2 = 600 degrees
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Cheers,
Stan H.
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