In this program, You will learn how to find the square root of a number in c.

`float r = sqrt(n)`

## Example: How to find the square root of a number in c.

```
#include<stdio.h>
#include<math.h>
int main() {
int n;
float r;
printf("Enter a number :");
scanf("%d", &n);
r = sqrt(n);
printf("Square root of %d is :%f", n, r);
return 0;
}
```

#### Output:

```
Enter a number :16
Square root of 16 is :4.000000
```