SOLUTION: An engineer is planning a new water pipe installation. The circular pipe has a diameter of d=20cm What is the area A of the circular cross section of this pipe? Give your answer

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Question 1081984: An engineer is planning a new water pipe installation. The circular pipe has a diameter of d=20cm
What is the area A of the circular cross section of this pipe?
Give your answer in terms of pi.

Answer by Alan3354(69443) About Me  (Show Source):