The radius of a cone is 7 cm and area of curved surface is 176 cm2.Find the slant height.
Curved surface area of a cone=176 cm2 and radius (r)=7 cm2∴Slant height (l)=Areaπr=176×722×7=8 cm
The curved surface area of right circular cone whose slant height is 10 cm and base radius is 7 cm