Question 1128543: In one step in waste treatment, sewage is exposed to air by placing it in circular aeration pools. One sewage processing plant has two such pools, with diameters of 42 and 52 meters.
Find the combined area of the pools, in square meters. (Simplify your answer completely.)
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! In one step in waste treatment, sewage is exposed to air by placing it in circular aeration pools. One sewage processing plant has two such pools, with diameters of 42 and 52 meters.
Find the combined area of the pools, in square meters. (Simplify your answer completely.)
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Ans: pi*21^2 + pi*26^2 = pi[441+676] = 1117pi sq. meters
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Cheers,
Stan H.
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