The square root of 4 is:

\[
\sqrt{4} = 2
\]

This is because \( 2 \times 2 = 4 \). Both \( +2 \) and \( -2 \) can be considered square roots of 4, but generally, the principal (positive) square root is taken as the answer.

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### Related Questions:
1. What is the square root of 9?
2. What are the square roots of 16?
3. How do you calculate the square root of a number manually?
4. What is the cube root of 8?
5. How do you find square roots of non-perfect squares?

**Tip:** Remember, the square root function only gives the principal (positive) root unless specified otherwise!

Learn how to find the square root of 4 with this detailed explanation. Understand the key arithmetic concepts, including square roots and the Square Root Theorem. Suitable for students in Grades 5-7.

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