# Square root of 15.66

### Square Root Calculator

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#### Square root result:

Sqrt(15.66). Find the square root of 15.66 or any other real number, positive or negative. Here are the answers to questions like: Square root of 15.66 or what is the square root of 15.66?

## 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 15.66

NumberSqrt
The square root of 15.26 is 3.906
The square root of 15.36 is 3.919
The square root of 15.46 is 3.932
The square root of 15.56 is 3.945
The square root of 15.66 is 3.957
The square root of 15.76 is 3.970
The square root of 15.86 is 3.982
The square root of 15.96 is 3.995
The square root of 16.06 is 4.007
The square root of 16.16 is 4.020