# Diagonal of a rectangle calculator

Enter the width and length of the rectangle to calculate the diagonal of a rectangle

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## Diagonal of a rectangle

A rectangle with sides of length a and b has a diagonal that is the longest distance from a corner to a non-corner point on a plane. The same is true for a parallelogram with the only difference being that this diagonal is not necessarily a line. The distance from one corner to a non-corner point is the same as the distance from the opposite corner to a non-corner point, as long as the figure is not a rectangle. A diagonal is the measure from a vertex to the opposite side, passing through the opposite corner. The diagonal of a rectangle is twice its width, and the diagonal of a parallelogram is the same as the height. The diagonal of a square is a maximum of one-half of its side length. ### Rectangle ▭

A rectangle is a quadrilateral with four right angles. It can also be defined as a parallelogram with equal adjacent sides. Rectangles are important in architecture, engineering, and mathematics because they can be easily measured and divided into square and rectangular shapes. They are also important in art and images and used as a design motif. ### Diagonal of Rectangle formula:-

• Diagonal of a rectangle = √(a²+b²)
• a → Length of rectangle
• b → Breadth of rectangle

### How to use this Diagonal of rectangle calculator ❓

One of the most common geometry questions people face is to calculate the diagonal of a rectangle. It's actually quite easy to calculate the diagonal of a rectangle using a simple formula. All you need to do is put in the length and breadth of the rectangle and click on the button and you'll see the answer immediately.

### How to solve diagonal of a rectangle problem❓

Example.1:-Length of rectangle 30 metres and breadth 40 metres then find the diagonal of rectangle ?

Diagonal of a rectangle = √(length² + breadth²) = √(40² + 30²) = 50 metres

Example.2:-Length of rectangle 20 metres and breadth 70 metres then find the diagonal of rectangle ?

Diagonal of a rectangle = √(length² + breadth²) = √(20² + 70²) = 72.801 metres

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