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4 August, 07:48

Two angles of a triangle have the same measure and the third one is 21 degrees greater than the measure of each of the other two. find the measure of the largest angle in the triangle.

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  1. 4 August, 08:18
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    X + x + x + 21 = 180

    3x = 180 - 21

    3x = 159

    x = 159/3

    x = 53° ← the measure of each of the smallest angles

    53 + 21 = 74 ° ← the measure of the largest angle
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