# 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) where b is the length of the base a is the altitude (height). Area =d1d2 / 2 where d1 is the length of a diagonal d2 is the length of the other diagonal Area = Sin2sinx where 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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