Answer to Question #326131 in C++ for Afomiya

Question

Write c++ program that receives the radius of a circle and calculate The area

Answer 1

#include <iostream>
using namespace std;


int main() {
    const double PI=3.141592653589793;
    double r;
    double A;


    cout << "Enter a radius: ";
    cin >> r;
    A = PI*r*r;
    cout << "The area of the circle is " << A << endl;


    return 0;
}