Algebra, HELP! PLEASE!

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In triangle ABC, angle B is four times as large as angle A. The measure of angle C is 12∘ more than that of angle A. Find the measures of the angles.

  • Algebra, HELP! PLEASE! -

    The sum of the angles of a triangle is 180°.
    Use:
    A + B + C = 180°
    where B = 4A and C = A+12°

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