SOLUTION: A circular fountain in a park includes a concrete wall that is 3 feet high and 2 feet thick. If the inner radius of the wall is x feet, write an algebraic expression in terms of x

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Question 939425: A circular fountain in a park includes a concrete wall that is 3 feet high and 2 feet thick. If the inner radius of the wall is x feet, write an algebraic expression in terms of x that represents the volume of the concrete used to construct the wall. Simplify the expression.
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
The outer radius is x+2.

Volume is difference of two cylinders.






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