The area of the curved surface of a cone of radius 2r and slant height `l/2` is a) `pirl` b)`2pirl` c)`1/2 pir l` d)`pi(r+l)r`

The total surface area of a cone whose radius is r/2 and slant height 2l is

The curved surface area of a cone of base radius r and height h is_______.

The total surface area of a cone whose radius is (r)/(2) and slant height 2l is

The total surface area of a cone whose radius is (r)/(2) and slant height 2l is

The total surface area of a cone of radius r/2 and length 2l , is a) 2pir(l+r) b) pir(l+r/4) c) pir(l+r) d) 2pirl

The total surface area of a cone of radius r/2 and length 2l , is a)2pir(l+r)b)pir(l+r/4) c)pir(l+r) d)2pirl

Find the total surface area of a cone whose radius is 2r and slant height is (1)/(2) .

The area of the curved surface of a cone is 60 pi cm^(2) . If the slant height of the cone is 8 cm, find the radius of the base .

The area of the curved surface of a cone is 60 picm^2 . If the slant height of the cone be 8 cm, find the radius of the base.