# Square root of 18.9

### Square Root Calculator

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#### Square root result:

Sqrt(18.9). Find the square root of 18.9 or any other real number, positive or negative. Here are the answers to questions like: Square root of 18.9 or what is the square root of 18.9?

## 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, 4 is the square root of 16 because 42 = 4•4 = 16, -4 is square root of 16 because (-4)2 = (-4)•(-4) = 16. 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 18.9

NumberSqrt
The square root of 18.5 is 4.301
The square root of 18.6 is 4.313
The square root of 18.7 is 4.324
The square root of 18.8 is 4.336
The square root of 18.9 is 4.347
The square root of 19 is 4.359
The square root of 19.1 is 4.370
The square root of 19.2 is 4.382
The square root of 19.3 is 4.393
The square root of 19.4 is 4.405