20% of an angle is the supplement of 60° . Find the angle .

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Solution

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
Let the "angle" be "x":
Equation::
0.20x = 120
x = 120/0.2 = 1200/2 = 600 degrees

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