Geometry

Area of a Rectangle

Formula

A = l × w

What is Area of a Rectangle?

The area of a rectangle is the product of its length and width. It represents the total space enclosed within the rectangle.

Variables

A
A — Area
l
l — Length of the rectangle
w
w — Width of the rectangle

Worked Examples

Example 1

Find the area of a rectangle with length 8 cm and width 5 cm.

Solution:

A = 8 × 5 = 40 cm²

Frequently Asked Questions

Related Formulas

Area of a Circle

A = π × r²

Circumference of a Circle

C = 2 × π × r

Area of a Triangle

A = ½ × b × h

Pythagorean Theorem

a² + b² = c²

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