Matematika

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tolong dijawab!!!!! besok dikumpulkan no 28
tolong dijawab!!!!! besok dikumpulkan no 28

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1 Jawaban

  • BOC = 2BAC = 2BDC = 2BEC
    ½BOC = BAC = BDC = BEC

    BOC + BAC = 120
    2x + x = 120
    3x = 120
    x = 120/3
    x = 40

    BDC + BDC = 40 + 40 = 80

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