Rhombus Formula

A rhombus is a type of Parallelogram only. Its diagonals perpendicularly bisect each other.

Formula of Area of Rhombus / Perimeter of Rhombus

There are 3 ways to find the area of Rhombus. Find the formulas for same and Perimeter of Rhombus in the table below.

Perimeter = 4a

Where a is the side.

Area = 4 x ½ (ab)


b is the length of the base

a is the altitude (height).

Area =d1d2 / 2


d1 is the length of a diagonal

d2 is the length of the other diagonal

Area = Sin2sinx


s is the length of any side

x is an interior angle

sin is the sine function

Area of Rhombus Questions

Question: Find the area of a rhombus with the base as 10 cm and diagonal as 14 cm?

Solution: Area = d1d2 / 2

where d1 and d2 are equal diagonals,

A = ½ x 14 x 14

= 7 x 14

= 98 cm2

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