Perimeter of a Square Calculator

Enter Length (l):

Perimeter of Square

 

The perimeter of a Square Calculator is a free online tool that displays the perimeter of a square. BYJU’S online perimeter of a square calculator tool performs the calculation faster and it displays the square perimeter in a fraction of seconds.

How to Use the Perimeter of a Square Calculator? 

The procedure to use the perimeter of a square calculator is as follows:

Step 1: Enter the length of the side in the input field

Step 2: Now click the button “Solve” to get the square perimeter

Step 3: Finally, the perimeter of a square  will be displayed in the output field

What is Meant by Perimeter of a Square?

In mathematics, a square is defined as a closed two-dimensional figure with four sides. The important property of square is that all the sides of the square are of equal measure and each interior angles of a square form a right angle. Since the square has four sides, the polygon is considered as a quadrilateral and the sum of interior angles of a square is equal to 360 degrees. The perimeter of a square is defined as the total length of all sides of a square. Therefore, the square perimeter can be found by adding all the sides of a square. If “a” is the side of a square, then the formula to calculate the perimeter of a square is given by

The perimeter of a Square, P = a+a+a+a units

Perimeter = 4a units.

Solved Example on Perimeter of a Square

Example 1:

Determine the perimeter of a square whose side length is 3 cm

Solution:

Given that, 

Side length, a = 3 cm

We know that the formula to calculate the perimeter of a square is 4a units.

Now, substitute the value of “a” in the formula, we get

The perimeter of a square = 4 (3)

P = 12 units

Therefore, the perimeter of a square is 12 units.

Example 2:

If the area of a square is 25 cm2, then determine the perimeter of a square.

Solution:

Given that, the area of a square is 25 cm2.

From the area, we can find the value of a.

We know that the area of a square = a2 units

Therefore, a2 = 25

Now, take the square root, we get the value of “a”.

It means that, a =√25 = 5 cm

Hence, the value of a is 5 cm.

Now, substitute the value of a = 5 in the perimeter formula

The perimeter of a square = 4(5) = 20 units

Hence, the square perimeter is 20 units.

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