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21 December, 19:01

The first angle of a triangle is 13 degrees more than the second angle the third angle of a triangle is 2 times the second angle use x to represent the unknown value write an algebraic expression for each of the quantities being compared what is the first angle the second angle and the third angle

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  1. 21 December, 19:06
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    Second angle = x

    First angle = 2x

    Third angle = x + 68

    x + 2x + (x + 68) = 180

    4x + 68 = 180

    4x = 112

    x = 28.

    First angle = 56 degrees

    Second angle = 28 degrees

    Third angle = 96 degrees

    Total = 180 degrees.
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