perhatikan gambar disamping . Jika besar <PRQ = 82° , besar <POR=....

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  • jawab
    <PRQ = 82

    ΔPRQ  sama kaki,karenaPR = QR
    maka<P = <Q = 1/2 (180 - <PRQ)
    <P = <Q = 1/2 (180 - 82) = 49
    <PQO   =  49°
    <POR = 2 x <PQO = 98

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