Question

1. A closed cylindrical tank of radius 7 m and height 3 m is made from a sheet of melal.
How much sheet of metal is required ?
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Answer 1

Answer:

Step-by-step explanation:

Sheet required is = TSA of cylinder= 2π r(r+h)

2×22×7(7+3)/7

44×10= 440m^2

Answer 2

Ans

Step-by-step explanation:

use formula = 2πr(h+r) and solve this .