SOLUTION: Civil war cannonballs were made out of cast iron. A collector found a set of three cannonballs for sale at an auction. The balls had diameters of 4.52 in., 4.346 in., and 3.908 in.

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Question 1136471: Civil war cannonballs were made out of cast iron. A collector found a set of three cannonballs for sale at an auction. The balls had diameters of 4.52 in., 4.346 in., and 3.908 in., respectively. Find the total volume of cast iron contained in the three civil war cannonballs.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!

A cannon ball assuming sphere shape, volume %284%2F3%29pi%2Ar%5E3
for radius r. Using d for diameter, volume %284%2F3%29pi%2A%28d%2F2%29%5E3
or %281%2F6%29pi%2Ad%5E3.

You may want a unit conversion for your diameter inches.
2.54 cm = 1 inch