Calculate Side Length: Finding Square Dimensions from Area 144

A square has an area of 144.

How long are its sides?

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find the side of the square
00:03 Use the formula for calculating the area of a square (side squared)
00:08 Substitute appropriate values and solve for the side
00:13 Extract the root
00:23 And this is the solution to the question
00:26 Chapter Title

Step-by-step written solution

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1

Understand the problem

A square has an area of 144.

How long are its sides?

2

Step-by-step solution

Remember that the area of a square is equal to the side of the square raised to the 2nd power.

We replace the data in the formula:

144=L2 144=L^2

Then we calculate the root:

144=L \sqrt{144}=L

L=12 L=12

3

Final Answer

12 12

Practice Quiz

Test your knowledge with interactive questions

Look at the square below:

111111

What is the area of the square?

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