Ilcienne5507 Ilcienne5507

23-01-2024
Mathematics

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A hollow cylindrical pipe is made up of copper. It is 21 dm long. The outer and inner diameters of the pipe are 10 cm and 6 cm respectively. Find the volume of copper used in making the pipe.
A) 1100π cm³
B) 990π cm³
C) 880π cm³
D) 770π cm³

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