square root of 225

15

To find the square root of 225, you can follow these steps:

1. Start by recognizing that the square root is the number that, when multiplied by itself, equals the given number.
2. Use a calculator or perform the calculation manually.
- If you are using a calculator, simply input "√225" or "square root of 225" and calculate the result.
- If you are performing the calculation manually, estimate the square root by finding the perfect square roots closest to 225, which are 15 and 16. Since 15 multiplied by 15 equals 225, we can conclude that the square root of 225 is 15.

Therefore, the square root of 225 is 15.