Solve this: Q. The radius and slant height of a cone are in the ratio of 3 : 5. If its curved surface area is 2310 c m 2 . Find its radius, height and slant height. (Use π = 22 7 ) Share with your friends Share 0 Neha Sethi answered this Dear student Let the radius of the cone be r=3x and its slant height be l=5xThe curved surface area=2310cm2πrl=2310⇒227×3x×5x=2310⇒330x2=16170⇒x2=49⇒x=7 or x=-7 rejectedSo, Radius=3x=3×7=21cmSlant height=5x=5×7=35cmHeight=l2-r2=352-212=1225-441=784=28cm Regards 0 View Full Answer