﻿ Formula for Perimeter of a Rectangle | CREST Olympiads

# Formula for Perimeter of a Rectangle

## Perimeter of a Rectangle - Sub Topics

• What is a Rectangle?
• Perimeter of a Rectangle
• The reading material provided on this page for Formula for Perimeter of a Rectangle is specifically designed for students in grades 5 and 6.

## What is a Rectangle?

A rectangle is a quadrilateral with all four angles equal to 90 degrees and opposite sides that are equal and parallel.

1. A rectangle is a type of quadrilateral.
2. A rectangle has four sides with opposite sides that are equal.
3. A rectangle has four right angles.
4. A rectangle has two pairs of parallel sides.

## Perimeter of a Rectangle

Perimeter of a rectangle is defined as the sum of the lengths of all four sides. The unit of perimeter depends on the unit of sides of rectangle. It can be m, cm, inches, feet etc.

To find the perimeter of a rectangle, you simply add up the lengths of the two longer sides (the "length" of the rectangle) and the two shorter sides (the "breadth" of the rectangle)
= l + b + l + b
= 2 l + 2 b
= 2 (l + b)

## Quick Video Recap

In this section, you will find interesting and well-explained topic-wise video summary of the topic, perfect for quick revision before your Olympiad exams.

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