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9 August, 10:39

The angle measures of a triangle are (x+15) degrees, (2x-20) degrees and 2x degrees. What are the actual angle measures of the triangle?

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  1. 9 August, 13:10
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    So, (x+15) + (2x-20) + 2x=5x-5

    5x-5=180

    5x=185

    x=37, so therefore,

    (37+15) = 52

    (2 (37) - 20) = 54

    2 (37) = 74

    52+54+74=180, so this should be right
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