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30 November, 09:54

In triangle abc, angle b is 10 degrees greater than angle a. Angle c is twice as much as angle A. what's the measure of each angle?

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  1. 30 November, 12:20
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    The sum of the angles of a triangle is 180 degrees.

    a + b + c = 180.

    a + (a+10) + 2a = 180

    3a + 10 = 180

    3a + 10 - 10 = 180 - 10

    3a = 170

    a = 42.5 degrees

    b = 52.5 degrees and c = 85 degrees.
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