Year 8 Interactive Maths - Second Edition

Area of a Rhombus

Consider the area of the following rhombus.

The diagonals of a rhombus bisect each other at right angles.

Example 6

Find the area of the following rhombus.

Solution:

So, the area of the rhombus is 216 cm².

Remember:

• A rhombus has four equal sides and its diagonals bisect each other at right angles.
• The area of the rhombus is given by the following formula where x and y are the lengths of the diagonals of the rhombus.