Question

A closed cylindrical tank of radius 7m and height 3m is made from a sheet of metal. how much sheet of metal is required? (takeπ =22/7)​

Answer 1

$\boxed{SOLUTION \: by \: RKRAUSHAN}$

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Answer 2

Our answer is 132m.sq

Step by Step:

Rdius of closed tank=7m

Height of closed tank=3m

Metal sheet required = TSA of the cylinderical

- 2(pi)rh

2(pi)X7X3

- 42(7X2X3)

- 42X22/7

- 22X6

∴ 132m.sq