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Year 8 Interactive Maths - Second Edition


Area of a Rhombus

A rhombus has four equal sides and its diagonals bisect each other at right angles.

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.

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