/C++/Area of a Circle in C++ Programming

Area of a Circle in C++ Programming

#include <iostream>
#include <iomanip>
using namespace std;

int main(){
    double R,A;
    cin >> R;
    A = 3.14159 * R * R;
    cout << "A=" << fixed << setprecision(4) << A << endl;
    return 0;
}

Source: devsenv.com

Similar codes

3 votes145 views2 answers
C++ map insert
C++
1 vote141 views4 answers
How to use string in c++
C++
1 vote119 views1 answer
Differency between c++ std and stl
C++
0 vote130 views1 answer
C++ get pointer from unique_ptr
C++
11 votes78 views2 answers
Get data type of variable c++
C++
1 vote123 views1 answer
Unique ptr c++
C++
0 vote126 views1 answer
C++ typeid get type name
C++
3 votes133 views1 answer
Infinite loop c++
C++
0 vote85 views1 answer
Properties of loop in c++ and how it works
C++
12 votes121 views2 answers
Comparator in sort c++
C++