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Find the area of the circular hole for an air duct that is to be cut from a wall if the diameter of the duct is 5.2 inches, what is the area of the circular hole?
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Find the area of the circular hole for an air duct that is to be cut from a wall if the diameter of the duct is 5.2 inches, what is the area of the circular hole?

User Zszep
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area=π*r^2=3.14*2.6*2.6=21.2264 square inches

User Fuco
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