Math, asked by harshkishor, 1 year ago

find the surface area of this cylinder quickly

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Answered by dfgh4

1

LENGTH OF PAPER = CIRCUMFERENCE OF BASE OF CYLINDER.

2πr = 22

=> r = 22 *7/2*22

=> r =7/2

volume of cylinder = πr2h

=22/7*7/2*7/2*12

=462 cm

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