SOLUTION: A hollow sphere is made of metal 1.5cm thick and has an external diameter of 22cm. Calculate the volume of metal used to make the hollow sphere. (Take pi=3) Thanks!

Question 1011264: A hollow sphere is made of metal 1.5cm thick and has an external diameter of 22cm. Calculate the volume of metal used to make the hollow sphere. (Take pi=3)
Thanks!
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Inside diameter is , that part being hollow or empty of any metal, and we usually know pi to at least three significant figures.

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