We can find square root of any number in C++ language. Before that we can see what is square root of a number. Square root of a number x is y when x=y^2. In other words y is a square of x.

There are many ways to find the square root of a number in C++ Language. Here we use the standard function which is normally present in C++ Language to find the square root value.

Sqrt() function is used to find square root of any number in C++ language. This function is defined in math.h header file. This function accepts any number and finds its square root value.

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## Find the Square Root of a Number in C++

```
#include<iostream>
#include<math.h>
using namespace std;
int main()
{
float sq,n;
cout<<"Enter any number:";
cin>>n;
sq=sqrt(n);
cout<<"Square root of "<<n<<" is "<<sq;
return 0;
}
```

The square root function value is assigned to the variable sq. Finally, the sq value is displayed on the output screen.

Read Also : Armstrong Number in C++

## Output

```
Enter any number: 9
Square root of 9 is 3
```

## Final Words

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