If the measure of an angle is twice the measure of its supplementary angle then the measure of the angle is ______.
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Let supplementary angle measure be x
The equation is 2x+x = 180°(they are supplementary)
3x = 180°
x = 180°÷3
x = 60°
measure of angle is 2 times measure of supplementary angle.
angle = 2×60°
angle = 120°
The equation is 2x+x = 180°(they are supplementary)
3x = 180°
x = 180°÷3
x = 60°
measure of angle is 2 times measure of supplementary angle.
angle = 2×60°
angle = 120°
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