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27 November, 20:27

Find all the interior angle measures of triangle ABC, if m∠A = 3x + 10, m∠B = 5x - 1, and m∠C = x. answers: m∠A = 60°, m∠B = 94°, m∠C = 26° m∠A = 67°, m∠B = 90°, m∠C = 23° m∠A = 67°, m∠B = 94°, m∠C = 19° m∠A = 67°, m∠B = 92°, m∠C = 21°

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  1. 27 November, 23:43
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    Step-by-step explanation:

    Total interior angles in a triangle=180 degrees

    That is: 3x + 10 + 5x - 1 + x = 180

    9x+9=180

    9x=180-9

    9x=171

    x=171/9

    x=19

    Therefore

    Angle A = 67 degrees

    Angle B = 94 degrees

    Angle C = 19 degrees
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