## Perimeter of a Square Lesson

### The Perimeter Formula

The formula for perimeter of a square is given as:

**P = 4s**

Where *P* is the perimeter and *s* is the side length.

INTRODUCING

### Perimeter of a Square Example Problems

Let's go through a couple of example problems together to practice finding the perimeter of a square.

#### Example Problem 1

A square has a side length of 5. What is the perimeter?

Solution:

- P = 4s
- P = 4(5) = 20
**The perimeter of the square is 20.**

#### Example Problem 2

A square has an area of 36. What is the perimeter?

Solution:

- The area formula is A = s
^{2}, we can find side length by solving for s. - 36 = s
^{2} - √36 = s
- s = 6
- We have found the side length is 6. Plugging this into the perimeter formula we get:
- P = 4s
- P = 4(6) = 24
**The perimeter of the square is 24.**

#### Example Problem 3

A square table is measured to have a perimeter of 2 meters. What is the length of one of its sides?

Solution:

- Let's plug the perimeter into the formula and solve for s.
- P = 4s
- 2 = 4s
- 2/4 = s
- s = 0.5
**The side length of the table is 0.5 meters.**