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26 June, 14:45

The angles in A triangle are such that one is 128° more than the smallest angle, while the third angle is two times as large as the smallest angle. Find the measure all three angles.

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  1. 26 June, 16:35
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    Let x degrees be the measure of the smallest angle. Then, since the 3 angles in a triangle add up to 180 degrees:-

    x + x + 128 + 2x = 180

    4x = 180 - 128 = 52

    x = 13 degrees

    The measure of the 3 angles is 13, 26 and 141 degrees (answer)
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