The square root of 82.81 is approximately:

\[
\sqrt{82.81} \approx 9.1
\]

Would you like more details or have any further questions?

Here are five related questions:
1. What is the square root of a non-perfect square?
2. How can you approximate square roots without a calculator?
3. How does the square root function behave in a graph?
4. What is the square root of 100 to practice?
5. Can all real numbers have square roots?

**Tip**: To quickly estimate square roots of non-perfect squares, look for the nearest perfect squares and refine your estimate.

Learn how to find the square root of 82.81, an example of a non-perfect square. This guide explains the concept of square roots, approximating them without a calculator, and provides key insights into how the square root function behaves. Suitable for students in Grades 6-8.

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