## Arithmatical - Volume and Surface Areas

1. |
Let length = l, breadth = b and height = h units. Then 1. Volume = (l x b x h) cubic units. 2. Surface area = 2(lb + bh + lh) sq. units. 3. Diagonal = √l |
---|

2. |
Let each edge of a cube be of length a. Then, 1. Volume = a 2. Surface area = 6a 3. Diagonal =√ 3a units. |
---|

3. |
Let radius of base = r and Height (or length) = h. Then, 1. Volume = (∏r 2. Curved surface area = (2∏rh) sq. units. 3. Total surface area = 2∏r(h + r) sq. units. |
---|

4. |
Let the radius of the sphere be r. Then, 1. Volume = (4 / 3 ∏r 2. Surface area = (4∏r |
---|

5. |
Let the radius of a hemisphere be r. Then, 1. Volume = (2 / 3 ∏r 2. Curved surface area = (2∏r 3. Total surface area = 3∏r |
---|