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Cuboid

Let length = l, breadth = b and height = h units. Then
  1. Volume = (l × b × 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 = 2/3πr3 cubic units.
  2. Curved surface area =  sq. units.
  3. Total surface area =  sq. units.

Note: 1 litre = 1000 cm3

 


 

Rectangle

Square

 

Parallelogram

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

Degree

Circle

 

Triangle





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




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