Dari gambar di samping tentukanlah nilai a dan besar <KLN dan <MLN

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1 Jawaban

  • 5a + 40° + a = 180°
    6a = 180° - 40°
    6a = 140°
    a = 23,33° ✔

    a] Sudut KLN

    = 5a + 40
    = 5(23,33) + 40
    = 116,66 + 40
    = 156,66°✔

    b] Sudut MLN

    = a°
    = 23,33° ✔

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