Calculate Side Length: Finding Square Root of Area 4

A square has an area equal to 4.

How long are its sides?

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Step-by-step video solution

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00:00 Find the side of the square
00:03 We'll use the formula for calculating the area of a square (side squared)
00:07 We'll substitute appropriate values and solve for the side
00:15 We'll extract the root
00:23 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

A square has an area equal to 4.

How long are its sides?

2

Step-by-step solution

Remember that the area of the square is equal to the side of the square raised to the second power.

The formula for the area of the square is:

A=L2 A=L^2

We calculate the area of the square:

4=L2 4=L^2

We extract the square root:

4=L \sqrt{4}=L

2=L 2=L

3

Final Answer

2 2

Practice Quiz

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Look at the square below:

111111

What is the area of the square?

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