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A ball gas a radius of 56mm

(a)Calculate the surface area

(b)What is the volume of the sphere

  • geometry - ,

    Part A
    a = 4*pi*r^2
    = 4*pi*56^2
    answer will be in mm^2

    Part B
    v= (4/3)*pi*r^3
    = (4/3)*pi*(56^3)
    answer will be in mm^3

  • geometry - ,

    i don't kno lol could u help give me answer?

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