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State the measure of an angle that has a measure which is twice times as much as its supplement?

User Rmeador
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Two angles are supplement when they add together to 180degree

Let the angle in question be x, it is twice its supplement. So its supplement is 0.5x.

x + 0.5x = 180
1.5x = 180
x = 120 degrees

User Jimmy Luong
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