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Q-3 The area of base of a right circular cylinder is 15400
Sq. cm and its volume is 92400 cubic cm. Find curved
surface area.
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0
Answer:
838.6312cm^2
Step-by-step explanation:
πr^2= 15400
3.14×r^2= 15400
r^2= 15400/3.14
r^2= 48400
r= √(4×121×100)
r= √2^2×11^2×10^2
r= 220
volume of cylinder= πr^2h
92400= 22/7×(220)^2×h
(92400×7)/22= 48400×h
h= .607
CSA of cylinder= 2πrh
= 2×3.14×220×.607
= 838.6312cm^2
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