Matematika

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tolong..penting.gladi bersih!!
tolong..penting.gladi bersih!!

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1 Jawaban

  • (3x+15)° + (2x+10)° = 180°
    (5x + 25)° = 180°
    5x° = 155°
    x = 31

    Pelurus KLN = 2x+10
    = 2(31)+10
    = 62+10
    = 72°

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