Write the formula to find the total surface area of the cone whose radius is 'r' units and slant height is 'l' units.

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

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 whose radius is (r)/(2) and slant height 2l is

Surface area of a sphere whose radius is 1 unit.and height is 1 unit.

If the total surface area of a cone of radius 7 cm is 704 cm^(2) , then find its slant height .

If the total surface area of a cone of radius 7cm is 704 cm^(2) , then find its slant height.

Find the volume, curved surface area and the total surface area of a cone whose height is 6 cm and slant height 10 cm. (Take pi = 3.14 )

Find the total surface area of a cone, if its slant height is 9m and the radius of its base is 12m.