RD SharmaSolutions for Class 9 Maths Chapter 20 Surface Area and Volume of a Right Circular Cone


The surface area of any right circular cone is the sum of the area of the base and lateral surface area of a cone. The surface area is measured in terms of square units.

Total surface area: The total area occupied by the surface, including the curved part and the base(s).

Curved surface area: The area occupied by the surface excluding the base(s) is known as curved surface area.

Volume: The space occupied by an object, which is measured in cubic units.