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;
}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;
}Copyright © 2021 Codeinu
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