Yg digambar... Besar <AOC adalah?. Dijwb ya pkk jalan..!

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  • 8x+20+4x+8 = 180°
    12x+28 = 180°
    12x = 180°-28
    12x = 152°
    x = 152° : 12
    x = 12,67°

    jadi,
    sudut AOC
    = 8x+20
    = 8(12,67°)+20
    = 101,36°+20
    = 121,36°

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