Matematika

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tolong no 34-35 tolong ya pake jalan
tolong no 34-35 tolong ya pake jalan

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  • 35.

    L = 2 π r ( r + t )
    L = 2 . 22/7 . 14 ( 14 + 20 )
    L = 88 . 34
    L = 2.992 cm2

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