1. Volume = (πr2h) cubic units. Curved surface area= (2πrh) sq. units. Total surface area= (2πrh+2πr2) sq.
2.
| Shapes |
Volume Formula |
Variables |
| Rectangular Solid or Cuboid |
V = l × w × h |
l = Length w = Width h = Height |
| Cube |
V = a3 |
a = Length of edge or side |
| Cylinder |
V = πr2h |
r = Radius of the circular base h = Height |
| Prism |
V = B × h |
B = Area of base, (B = side2 or length.breadth) h = Height |
3.
- Total surface area of a cuboid = 2[lb + bh + lh]
- Total surface area of a cube = 6(side) ...
- Lateral surface area of a cuboid = Area of walls of a room = 2(l + b) × h.
- Lateral surface area of a cube = 4a. ...
- Curved surface area of cylinder = 2πrh.
- Total surface area of a cylinder = 2πr(r + h)
