Asked by kudu

The a hollow cylinder. The internal and external radii are estimated to be 6 cm and 8 cm respectively, to the nearest whole number. The height of the cylinder is exactly 14 cm.
(a) Determine the exactly values for internal and external radii which give maximum volume of the materials used
(b) Calculate the maximum possible volume of the materials used. Take the value of π to be 22/7

Answers

Answered by ketty
a)2.5
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