algebra 1

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In a triangle ABC,angle b is 4 times angle "A" and angle "C" IS 17 less than 5 times angle "A". Find the size of the angles.

  • algebra 1 -

    B = 4A
    C = 5A -17
    A + B + C = 180 = 10 A -17
    A = 19.7
    B = 78.8
    C = 81.5
    (all numbers are degrees)

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