:-Find the area of the lateral surface of a right circular cylinder, the perimeter of whose base is 11 cm and its height is four times its radius ?
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0
Answer:
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Answered by
1
Answer:539/8
Step-by-step explanation:
perimeter=2πr
given perimeter=11cm
then,
2πr=11
2*22/7*r=11
r=7/4
height = 4* radius
=4*7/4=7
area of cylinder=πr²h
=22/7*7/4*7/4*7
=(49*11)/8
=539/8
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