Answers for "Area of a Circle in C++ Programming"

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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;
}

Posted by: Guest on June-28-2021

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