The length of the piece of ribbon in inches is closest to 2πr, where r is the radius of the drum.
Therefore, the length of the piece of ribbon in inches is closest to 2π(12.25) = 24.50π ≈ 76.95 inches.
A circular drum has a radius of 12.25 inches. Karen wants to glue a ribbon around the edge of the drum. If Karen has exactly enough ribbon, which measurement is closest to the length of the piece of ribbon in inches?
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