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# How to find the area and perimeter of a rectangle?

A rectangle is a four sided-polygon, which has equal opposite sides and 4 interior right angles.

## Answer: The area of a rectangle = length × breadth, perimeter of a rectangle = 2 × (length + breadth).

Let us apply these formulas using the following example.

**Explanation:**

Let us use the formula given below to find the area and perimeter of a rectangle.

- Area of a rectangle = length × breadth
- Perimeter of a rectangle = 2 × (length + breadth)

Find the area of a rectangle with 4 units of length and 5 units of breadth.

Area of the rectangle = 4 × 5 = 20 square units

Perimeter of the rectangle = 2 × (4 + 5) = 18 units

### Hence, the area of a rectangle = length × breadth, perimeter of a rectangle = 2 × (length + breadth).

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