The square root of 1.69 is:

\[
\sqrt{1.69} = 1.3
\]

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Here are 5 related questions to explore further:
1. What is the square root of 2.56?
2. How do you find the square root of a number?
3. What are perfect squares, and is 1.69 a perfect square?
4. How can you calculate square roots without a calculator?
5. What is the cube root of 1.69?

**Tip:** When squaring decimals, it's helpful to square each digit individually and then adjust for the decimal place at the end.

Discover the square root of 1.69, which is 1.3. This problem explains the concept of square roots, how to calculate them, and whether 1.69 is a perfect square. Suitable for students in Grades 6-8.

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