Square root of 15.72

Sqrt(15.72). Find the square root of 15.72 or any other real number, positive or negative. Here are the answers to questions like: Square root of 15.72 or what is the square root of 15.72?

What is square root? Definition of square root

A square root of a number 'x' is a number y such that y² = x, in other words, a number y whose square is y. For example, 3 is the square root of 9 because 3² = 3•3 = 9, -3 is square root of 9 because (-3)² = (-3)•(-3) = 9. When writing math, people often use sqrt(x) to mean the square root of x. Read more about square root here: Square Root - Wikipedia and here: Square Root - Wolfram

Square Symbol?

Here is the square root symbol. It is is denoted by √, known as the radical sign or radix.

Square root of values around 15.72