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Two similar cones have volumes 12 pi cu ...

Two similar cones have volumes `12 pi` cu units and `96 pi` cu. Units. If the curved surface area of smaller cone Is `15 pi` sq.units, what is the curved surface area of the larger one ? Hint : For similar cones `(r_1) /(r_2) = (h_1) /(h_2) =(I_1) /(I_2) =((A_1) /(A_2))^3 =((V_1) /(V_2))^2`

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