Question

find the curved surface area and volume of cylinder whose height is 21 cm and area of its one end is 154 cm square


plss help me guys ​

Answer 1

Answer:

Area of one end of cylinder=πr^2

154=22/7×r^2

r^2=154×7/22,. r=7cm

So, CSA of cylinder=2πrh

=2×22/7×7×21

=924cm^2.

Now Volume of cylinder=πr^2h

22/7×7×7×21

=3234cm^3.

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Answer 2

Answer:

hope this helps u..............