Area of a Rectangle Formula

A rectangle comprises of four sides, where the longer lines parallel to each other is equal in length. It can also be described or termed as an equiangular quadrilateral since all of its angles are equal (360°/4 = 90°). It can also be defined as a parallelogram containing opposite sides equal and parallel in it. A rectangle with four sides of equal length is a square. The area of a rectangle is calculated in units by multiplying the width by the height of the rectangle. The formula for rectangle of area is mentioned below:

Area of a Rectangle
The Area of a Rectangle Formula is, A = l $\times$ b
Where,
l = Length
b = Breadth

Solved Examples

Question 1: Find the area of the rectangle whose length is 15 cm and width is 4 cm ?
Solution:
Given,
Length = 15 cm
Width = 4 cm
Area of a rectangle

= Length $\times$ Width
= 15 $\times$ 4 cm2
= 60 cm2

Practise This Question

A triangle ABC is drawn to circumscribe a circle such that the segments BS and SC into which BC is divided by the point of contact S are of lengths 6 cm and 8 cm respectively. The perimeter of the triangle is:

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