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29 October, 04:05

M∠qps=40°, m∠rps = (8x + 7) °, and m∠qpr = (9x + 16) °. find the measure of x. show your work.

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  1. 29 October, 04:07
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    The sum of angles in a triangle is 180°

    40° + (8x+7) ° + (9x+16) ° = 180°

    40 + 8x + 7 + 9x + 16 = 180°

    40 + 7 + 16 + 8x + 9x = 180°

    63 + 17x = 180°

    17x = 180 - 63

    17x = 117

    x = 117 : 17

    x = 6.9 °
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