Ilcienne5507 Ilcienne5507 23-01-2024 Mathematics contestada 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 cm³B) 990π cm³C) 880π cm³D) 770π cm³