Answer:
Let
r, h, l be the radius, height and slant height of the cone respectively.
Volume
of cone (V) = (Given)
?.. (1)
Curved
surface area of the cone (A) =
(by
(1))
Let
Z = A2 =
Now
Curved
surface area (Z) of the cone is minimum when Hence
curved surface area of the cone will be minimum if hence the
result.
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