The square root of 36 is 6. This is because 6 multiplied by itself (6 x 6) equals 36. The square root is a mathematical operation that determines the value that, when multiplied by itself, results in a given number. In this case, since 6 is a whole number, it is termed a “perfect square” for the number 36. Square roots are widely used in various fields of mathematics, science, engineering, and even finance to solve equations, understand geometric relationships, and analyze data, making it a fundamental concept in mathematics.