Question

a closed cylinder height is 1.4m radius of base is 56cm made up of thick metal sheet how much metal sheet is required
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Answer 1

Step-by-step explanation:

volume of a cylimder= 2pie×r^2×h

=2×22by7×1.4×1.4×56

=196×352=68992

Answer 2

Answer:

1.2795m sheet will required

Step-by-step explanation:

given:h=1.4m

r=56cm =0.56m

volume of cylinder=

$\pi {r}^{2} h$

=pi× 0.3136×1.4

=1.3795m

.

. . 1.3795m sheet will required