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31 August, 17:17

In triangle ABC, measure angle A = 9x, measure angle B = 11x + 2 and measure angle C = 3x - 6. What is the number of degrees in measure angle A?

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  1. 31 August, 17:34
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    [tex]9x+11x+2+3x-6=180 / / 23x - 4 = 180 / / 23x = 180 + 4 / / 23x = 184 / / x = 8

    A = 9 (8)

    A = 72
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