the diameter of a circular fountain in the city is 28 feet. A sidewalk that is 3.5 feet was built. use 22 over 7 as an approximant answer. a. find the area of the sidewalk b. 0.8 bag of concrete will be needed for every square foot for the new sidewalk. what is the minimum number of bags will they need

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A: see 2nd step for complete solution.

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