Mathematics

Mathematics

Problem

A hollow cylindrical pipe is 28 dm long. Its outer and inner diameters are 12 cm and 8 cm respectively. Find the volume of the copper used in making the pipe. (A) 17600 cm317600 \text{ cm}^3 (B) 17000 cm317000 \text{ cm}^3 (C) 16600 cm316600 \text{ cm}^3 (D) 16000 cm316000 \text{ cm}^3

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