11. If the volume of a cylinder is
the volume of a cylinder is 112pi cm3 and its radius is 4cm, then find
the curved surface area of the cylinder.
Answers
Answered by
5
Answer:
176cm square
Step-by-step explanation:
volume = 112π cm³.
radius = 4cm
we know that,
volume = π*r*r*h
112π = π*4*4*h
112/16 = h
therfore h = 7cm.
now we know that,
curved surface area of the cylinder = 2*π*r*h
= 2*22/7*4*7
= 2*22*4 = 176cm²(Ans)
HOPE IT HELPS!!
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