Question

A closed cylindrical tank of radius 7m and height 3m is made from a sheet of metal .find the area of metal required.

Answer 1

Radius, r = 7 m height, h = 3 m area of the metal sheet required = TSA of cylinder = 2πr(h + r) = 2×(22/7)×7 (3 + 7) = 440 m2