Matematika

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L=3.060 m2 t=...m pake cara sama no 9 ya pake cara
L=3.060 m2 t=...m pake cara sama no 9 ya pake cara

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  • 9. π×r2
    22/7×441
    = 9.702
    = 1.386 m²
    10.r =√L/π
    = √1,54/22/7
    = √1,54×7/22
    √10.78/22
    √0,49
    0,7×10
    r = 7 cm
    d= 2×r
    2×7
    = 14 cm

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