# Cuboid

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

# Cube

Let each edge of a cube be of length a. Then,
1. Volume = a3 cubic units.
2. Surface area = 6a2 sq. units.
3. Diagonal = units.

# Cylinder

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

# Cone

Let radius of base = r and Height = h. Then,
1. Slant height, l = h2 + r2 units.
2. Volume = cubic units.
3. Curved surface area = sq. units.
4. Total surface area = sq. units.

# Sphere

Let the radius of the sphere be r. Then,
1. Volume = cubic units.
2. Surface area = sq. units.

# Hemisphere

Let the radius of a hemisphere be r. Then,
1. Volume = 2/3Ï€r3 cubic units.
2. Curved surface area =  sq. units.
3. Total surface area =  sq. units.

Note: 1 litre = 1000 cm3

# Parallelogram

Always remember the sum of adjacent angles in a parallelogram is 180

Degree

# Triangle

where a, b, c are the length of the side of triangle and s =