How To Calculate a Area of Circle in C++

in this video explain How To Calculate a Area of Circle in C++ .

 ------------------- START-------------------

#include <iostream>

using namespace std;

int main(){

int radius;

float area;

cout<<"Enter the Radius: ";

cin>>radius;

area = 3.14 *radius *radius;

cout<<"Area of Circle : "<<area;

return 0;

}

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