If the radius and slant height of a cone are a r/2 and 2l. Then find its total surface area.

The radius and slant height of a cone are in the ratio of 4:7. If its curved surface area is 792cm^(2), find the radius.(Use pi=(22)/(7))

The ratio of the radius and the slant height of a cone is 4:7 and the area of its curved surface is 792cm^2 .Find the radius of the cone.

The radius of the slant height of a cone are in the ratio of 4:7. if its curved surface area is 792 cm^2 . Find its radius.

The radius and slant height of a cone are 5 cm and 10 cm respectively . Find the ratio of the curved surface area to the total surface area of cone.

The radius and slant height of a cone are 5 cm and 10 cm respectively . Find the ratio of the curved surface area to the total surface area of cone.

The radius and height of a cone is r unit . The total surface area of a sphere area of a sphere of diameter equal to the slant height of the will be ………. sq - unit

Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area and its total surface area.

Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area and its total surface area.

The radius of a cone is 7 cm and its slant height is 9 cm. find the total surface area of the cone.