Perimeter & area

• Perimeter is the total boundary length of a closed figure

  • Perimeter of a square –

4x length of a side

• • Perimeter of a rectangle –

 2x(length + breadth)

• Perimeter of triangle

Sum of the three sides

• Area is the amount of a surface covered by any shape. 

  • Area of a rectangle 

Length x breadth (lb)

• Length  = area ÷ breadth

• Breadth = area ÷ length 

• Area of square = side x side

• Side of area =√its area

• 1 hectare = 10,000m2