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Rectangle Perimeter And Area

In mathematics, polygon plays an important role. Basically, a polygon with 4 sides is said to be quadrilateral.  Rectangle is one of the quadrilaterals with opposite sides are equal. Rectangle is a shape with 4 equal angles all with 90°. In this article, we shall discuss about perimeter and area of rectangle. Also we shall solve some sample problems regarding perimeter and area of rectangle.


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How to estimate the rectangle perimeter and area:

Perimeter of Rectangle = 2(length + breadth)

Also, Perimeter of Rectangle = 2( l + b )

  • The perimeter of a rectangle is the length around the exterior of the rectangle.
  • A rectangle has four sides with opposite sides being similar.
  • The formula for determining the perimeter is Side A + Side B + Side A + Side B.
  • This can be simplified as 2 * Side A + 2 * Side B or 2 * (Side A + Side B)

Example for estimating the perimeter of the rectangle:

Determine the perimeter of the rectangle whose length is 8cm and breadth 4cm



Given:  Length = 8 cm

Breadth = 4 cm

Formula:   Perimeter of rectangle = 2(length + breadth)

                                                             = 2 (8 + 4)

                                                             = 2 (12)

 Perimeter of Rectangle = 24 cm

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How to estimate the area of rectangle:

                  Area of Rectangle = length * breadth

    In simple, Area of rectangle = l * b

  • The rectangle’s area can be manipulated by multiplying the base times the altitude.
  • For example, if a rectangle has a base of length 7 inches and a height of 3 inches, its area is 7 * 3 = 21 square inches
  • Area is deliberated in square units such as square inches, square feet or square meters.


Example for estimating the area of the rectangle

Determine the area of the rectangle whose length is 14cm and breadth 6cm



Given Length = 14 cm

Breadth = 6 cm

Formula:   Area of rectangle = length * breadth

 = 14 * 6

Area of Rectangle = 84 cm2