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15 January, 11:03

The angles of a triangle are 99º, 3xº, and x + 5º.

What is the value of x?

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  1. 15 January, 11:05
    0
    Triangle's angles add to 180:

    99 + 3x + x + 5 = 180

    4x = 74

    x = 18.5
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