Question

The volume of cylinder of height 8 cm is 1232 cm3. Find its curved surface area and the total surface area.

Answer 1

h=8cm
Volume=1232
πr²h=1232
(22/7)×r²×8=1232
r²=(1232×7)/(22×8)
r²=7×7
r=7

CSA=2πrh
=2×(22/7)×7×8
=352cm²

TSA=2πr(h+r)
=2×(22/7)×7(8+7)
=660cm²

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