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March 27, 2017

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in the triangle ABC, the measure of angle b=21 more than three times the measure of angle A. the measure of angle C=54 more than the measure of angle A. find the measure of each angle

  • Algebra2 - ,

    The sum of the three angles is 180deg
    b=21+a
    c=54+a

    add a+b+c and set = to 180

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