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25 December, 12:12

Angle Q and angle R are supplementary angles. If the measure of angle Q = 2xº and the

measure of angle R = (x + 81) ", then what does x equal?

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  1. 25 December, 13:24
    0
    Answer: 33°

    Step-by-step explanation: Because Angles Q and R are supplementary, we can say 2x + x + 81° = 180°

    3x + 81° = 180° Subtract 81° from each side

    3x = 99° Divide by 3

    x = 33°
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