help please?

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  • Mike G
    Lv 7
    6 months ago

    (4/3)r^3 = 36

    r^3 = 27

    r = 3 ft

    SA = 4π*9

    = 36π ft^2

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  • Lôn
    Lv 7
    6 months ago

    4pi r^3 = 36 pi x3

    r^3 = 36x3/4

    r^3 = 27

    r = 3

    SA = 4 pi r^2

    SA = 4 x 3^2 pi

    SA = 36 pi

    The volume and the SA have the same numerical value.

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