The volume of right circular cylinder of height 7 cm is 567πcm . Find its curved surface area.
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Answered by
75
given
height = h= 7cm
let the radius = r cm
volume = V = 567π cm³
πr²h = 567π
πr²*7=567π
r²= (567π)/(π*7)
r²=81
r²=9²
r=9 cm
curved surface area of the cylinder = 2πrh
=2*22/7*9*7
=44*9
=396cm²
height = h= 7cm
let the radius = r cm
volume = V = 567π cm³
πr²h = 567π
πr²*7=567π
r²= (567π)/(π*7)
r²=81
r²=9²
r=9 cm
curved surface area of the cylinder = 2πrh
=2*22/7*9*7
=44*9
=396cm²
Answered by
19
Answer:
Step-by-step explanation:
given
height = h= 7cm
let the radius = r cm
volume = V = 567π cm³
πr²h = 567π
πr²*7=567π
r²= (567π)/(π*7)
r²=81
r²=9²
r=9 cm
curved surface area of the cylinder = 2πrh
=2*22/7*9*7
=44*9
=396cm²
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