Rhombus - Definition with Examples

What is Rhombus?

Rhombus is a special type of a parallelogram whose all sides are equal.

The difference between a square and rhombus is that all angles of a square are right angles, but the angles of a rhombus need not be right angles. 

So, a rhombus with right angles becomes a square.

We can say, “Every square is rhombus but all rhombus are not square.”

Properties of a rhombus

The given table describes the properties of a rhombus.

	All sides of a rhombus are equal.  Here, AB = BC = CD = DA.
	Diagonals bisect each other at 90°  Here, diagonals AC and BD bisect each other at 90°
	Opposite sides are parallel in a rhombus.  Opposite angles are equal in a rhombus.  Here, AB ∥ CD and AD ∥ BC.  ∟A = ∟C and ∟B = ∟D.
	Adjacent angles add up to 180°.  ∠A + ∠B = 180°  ∠B + ∠C = 180°  ∠C + ∠D = 180°  ∠A + ∠D = 180°

Real-life examples

Rhombus can be found in a variety of things around us, such as a kite, windows of a car, rhombus-shaped earring, the structure of a building, mirrors, and even a section of the baseball field.