Surface area= 4pir^2
= 4(pi)(56^2)
= 39408mm^2
Volume = (4/3)pir^3
= (4/3)pi(56^3)
= 735618.58mm^3
A ball has a radius of 56mm
a)Calculate the surface area
b)what is the volume of the sphere
could somebody please answer for my math homework I need help
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