The square root of 175 is approximately 13.23. A square root is a number that, when multiplied by itself, is equal to the number of which it is a root. When 13.23 is multiplied by 13.23, which is the same as 13.23 to the second power or 13.232, it is approximately equal to 175.
The square root of 175 can be simplified by factoring out the square root of 25, which is 5, and multiplying that by the square root of 7. However, the square root of 7 is an irrational number, so it cannot be written out fully in decimal and must be approximated.