A 5-m -wide cloth is used to make a conical tent of base diameter 14 m and  24 m.
Channel: Doubtnut
Date: 2020-04-19

A 5-m -wide cloth is used to make a conical tent of base diameter 14 m and  24 m. Find the cost of cloth used at the rate of ₹ 25 per metre.   (ii)  The radius and height of a solid right-circular cone are in the ratio of 5 : 12. If its volume is `314 cm^3`, find its total surface area