1. The problem is to find the square root of 330. 2. The square root of a number $x$ is a value $y$ such that $y^2 = x$. 3. We want to find $\sqrt{330}$. 4. Since 330 is not a perfect square, we approximate the square root. 5. Using a calculator or estimation, $\sqrt{330} \approx 18.1659$. 6. Therefore, the square root of 330 is approximately $18.1659$.