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The slant height of a right circular ...

The slant height of a right circular cone is 10 m and its height is 8 m. Find the area of its curved surface. `30pi\ m^2` (b) `40pi\ m^2` (c) `60pi\ m^2` (d) `80pi\ m^2`

A

`30pi m^2`

B

`40pi m^2`

C

`60pi m^2`

D

`80pi m^2`

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