Question

2800
2. A student has rectangular sheet of dimensions 14 cm x 22 cm. He wants to make a cylinder i
such a way that volume is minimum. Find the height of cylinder.
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Answer 1

Answer:

22 cm

Step-by-step explanation:

if we fold that in the form of cylinder the volume depends on height as well as the circular base or the top

πr^2

now

2πr=14

πr=7

and if

2πr=22

πr=11

and for keeping it for least vol.

we must take height 22 cm