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**Rhombus | what is Rhombus?**

Definition: In geometry, a rhombus is a
quadrilateral having its all four sides equal.

In the given figure of quadrilateral ABCD, AB = BC =
CD = AD. So ABCD is a rhombus.

**Note:**

*- A rhombus is also a parallelogram having its all sides equal.*

*- Square is a special case of rhombus having all angles 90°.*

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**Length of a Rhombus**

All four sides of a rhombus are equal
and the measure of the side is taken as length (l) of the rhombus. In the given
figure of rhombus ABCD,

Length
of rhombus = AB = BC = CD = AD = l

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**Diagonals of a Rhombus**

The line joining the opposite vertices
of a quadrilateral is called a diagonal. Two diagonals of a rhombus bisect to
each other at right angle i.e. 90°.

In the given figure, ABCD is a rhombus.
AC and BD are diagonals. Diagonals AC and BD bisect to each other
perpendicularly at point O i.e. OA = OC, OB = OD and ∠COD = ∠BOC = ∠AOB = ∠AOD = 90°

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**Perimeter and Area of Rhombus**

Perimeter and area of a rhombus are
given by the formula:

**Perimeter = 4l**, where l is the length of the side of rhombus.

**Area = ½ × d**, where d_{1}× d_{2}_{1}and d_{2}two diagonals of rhombus.###
**Properties of Rhombus**

1.
All sides of a rhombus are equal.

2.
Opposite sides of a rhombus are parallel.

3.
Opposite angles of a rhombus are equal

4.
Diagonals of a rhombus bisect each other at
right angle.

*You can comment your questions or problems regarding rhombus here.*

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