Class 9 · Mathematics · New NCERT
Chapter 14: Math of Space: Surface Area and Volume
Chapter 14 develops formulas for the surface area and volume of cuboids and cubes, right circular cylinders, cones, pyramids, spheres and hemispheres, with hands-on activities and Archimedes' results. It ends with guesstimate problems that use these formulas to make reasonable estimates in real situations.
Topics covered
- Cuboids and cubes
- Right circular cylinder
- Cones
- Pyramidal shapes
- Spheres and hemispheres
- Guesstimate problems