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27 August, 14:20

In triangle abc, angle c = (5x), angle b = x, and angle c = (3x). what is angle c

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  1. 27 August, 17:39
    0
    60 degrees

    Step-by-step explanation:

    a+b+c = 180 degrees therefore 5x + x + 3x = 9x

    9x=180 (divide) - -> x=20

    since c = 3x substitute in 20 for x - -> 3 (20) = 60 degrees for angle c
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