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The angles in a triangle are such that the measure of one angle is 10° more than the measure of the smallest angle, while the measure of the third angle is three times the measure of the smallest angle. Find the measures of all three angles, in degrees.

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  1. smallest --- x
    middle ---- x+10
    largest ---- 3x

    x + x+10 + 3x = 180
    etc

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