A square has a side length of 9 cm. What is its area?
A. 
9 square centimeters
B. 
18 square centimeters
C. 
27 square centimeters
D. 
81 square centimeters


To find the area of a square, you use the formula:

\[
\text{Area} = \text{side}^2
\]

Since the side length of the square is 9 cm:

\[
\text{Area} = 9^2 = 81 \text{ square centimeters}
\]

So, the correct answer is **D. 81 square centimeters**.

Would you like more details or have any questions?

Here are 5 related questions:
1. What would the area be if the side length were doubled?
2. How does the formula for the area of a square differ from that of a rectangle?
3. How do you calculate the perimeter of a square with the same side length?
4. If the area of a square is 64 square centimeters, what is the side length?
5. What is the side length of a square with an area of 49 square centimeters?

**Tip**: The area of a square grows quadratically, meaning if you double the side length, the area increases by a factor of four!

A square has a side length of 9 cm. What is its area? A. 9 square centimeters B. 18 square centimeters C. 27 square centimeters D. 81 square centimeters

Learn how to calculate the area of a square with a side length of 9 cm. This problem uses the formula 'Area = side^2' and is suitable for students in Grades 4-6. The correct answer is 81 square centimeters.

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