4. Mensuration
Area and volume of solids – Cylinder, Cone and Sphere.
Three-dimensional solids - right circular cylinder, right circular cone and sphere: Area (total surface and curved surface) and Volume. Direct application problems including cost, Inner and Outer volume and melting and recasting method to find the volume or surface area of a new solid. Combination of solids included.
Note: Problems on Frustum are not included.