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24 February, 23:26

Find the measure of an angle whose supplement is 9 times the measure of its complement

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  1. 25 February, 02:40
    0
    If the angle is x, then

    180 - x = 9 (90-x)

    180-x = 810 - 9x

    8x = 630

    x = 78.75 degrees
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