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14 August, 05:58

2. In triangle ABC A = 3x + 10, B = 6x - 20

and C = x + 60. Find the measure of A

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Answers (1)
  1. 14 August, 06:19
    0
    49

    Step-by-step explanation:

    3x+10+6x-20+x+60=10x+50

    10x+50=180

    10x=130

    x=13

    A=3*13+10=49
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