Matematika

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tolonggghhhhhhhhhhhggggg

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  • ABCD  sebangun PQRS
    SP/PQ =AD/AB
    SP/4 = 8/20
    SP= 4(8) / 20 = 8/5 = 1, 6

    Kellin PQRS = 2(PQ + SP)
    K = 2 (4 + 1,6)
    K = 11,2 cm

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