Calculate Square Side Length: Finding Dimensions When Area = 64

A square has an area of 64.

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 to find the side
00:13 Extract the root
00:22 And this is the solution to the problem

Step-by-step written solution

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1

Understand the problem

A square has an area of 64.

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 second power.

Now we substitute the data into the formula:

64=L2 64=L^2

Then, we calculate the square root:

64=L \sqrt{64}=L

L=8 L=8

3

Final Answer

8 8

Practice Quiz

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Look at the square below:

111111

What is the area of the square?

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