Calculate the Area of a Square with Side Length 9: Basic Geometry Problem

Look at the square below:

999

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 square's area
00:03 Square side length according to the given data
00:07 Use the formula to calculate square area (side squared)
00:12 Substitute appropriate values and solve to find the area
00:24 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:

999

What is the area of the square?

2

Step-by-step solution

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

That is:

A=L2 A=L^2 Since the drawing gives us one side of the square, and in a square all sides are equal, we will solve the area of the square as follows:

A=92=81 A=9^2=81

3

Final Answer

81 81

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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