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15 October, 06:21

The measure of the supplement of an angle is 20° more than three times the measure of the original angle. find the measures of the angles.

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  1. 15 October, 06:39
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    If the original angle is x degrees then its supplement is 180 - x degrees.

    we have the equation:-

    180 - x = 3x + 20

    160 = 4x

    x = 40

    The original angle is 40 degrees and its supplement is 140 degrees
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