Mathematics, 29.01.2020 17:44, queentynaisa

Acylindrical metal pipe has a diameter of 20 millimeters and a height of 21 millimeters. a cylindrical hole cut out of the center has a radius of 6 millimeters. which expressions represent the volume of metal needed, in cubic millimeters, to make the pipe? check all that apply. 21π(10)2 – 21π(6)2 π(20)2(21) – π(6)2 2,100π – 756π 7,644π
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Acylindrical metal pipe has a diameter of 20 millimeters and a height of 21 millimeters. a cylindric...