# What is the perimeter of a rhombus? How to find him?

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The perimeter of a rhombus is equal to the sum of the lengths of all its sides, or the length of the side times 4

Rhombus is a parallelogram in which all sides are equal.

The perimeter formula of the rhombus is ABCD, with sides: AB = CD = BC = AD = a

LARGE P_ = 4 cdot a

Where:
P - rhombus perimeter
a - side of the rhombus

Rhombus properties

• Diagonals of a rhombus are perpendicular
• Diagonals of a rhombus are the bisectors of its angles.

Signs of a rhombus

• A parallelogram whose diagonals intersect at right angles is a rhombus,
• A parallelogram whose diagonals are the bisectors of its angles is a rhombus.

To find the perimeter of a given rhombus, we use the formula

Substituting the value a = 10 cm, we obtain:

P_ = 4 cdot 10 = 40 text <см>

The perimeter of the rhombus is (P_ ) = 40 cm

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