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19 August, 03:51

Angle A and Angle B are complementary. Measure angle A = 2x and measure angle B = 4x + 30°. What is the measure of the angle supplementary to angle A?

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  1. 19 August, 04:20
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    2x+4x+30=90

    6x+30=90

    -30 - 30

    6x=60

    /6 / 6

    x=10

    A=2*10

    A=20
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