Calculate the Area of a Square: Finding Square Units for 40-Unit Side Length

Look at the square below:

404040

What is the area of the square?

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find the area of the square
00:03 The side length of the square according to the given data
00:07 We'll use the formula for calculating the area of a square (side squared)
00:11 We'll substitute appropriate values and solve to find the area
00:18 And this is the solution to the problem

Step-by-step written solution

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1

Understand the problem

Look at the square below:

404040

What is the area of the square?

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:

A=402=1600 A=40^2=1600

3

Final Answer

1600 1600

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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