tolong jwb yaaa!!! nomer 1 <a=54, <b=4x, <c=... dit : tentukan besar <abc...?

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1 Jawaban

  • sudut pelurus
    4x + 6x + 10 = 180°
    10x + 10 = 180
    10x = 180 - 10
    = 170
    x = 170 / 10
    = 17

    sudut B = 4x
    = 4 (17)
    = 68

    A + B + C = 180°
    54 + 68 + C = 180°
    122 + C = 180°
    C = 180° - 122°
    C = 58°

    Jawab = B. 58°

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