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Answer to Question #48750 in C for muammarmubin

Question #48750
1) Write a program to calculate the area of circles

2) Write a program to convert a distance in miles to kilometers. Given 1 Mile = 1.609 km
Expert's answer
/***** The area of circles *******/
#include <cstdlib>
#include <iostream>
using namespace std;
const float pi = 3.14159; 

float Area( float r )
{
      return pi*r*r; // returns area of the circle
}
int main()

        float r; // radius
        cout << "Enter radius: ";
        cin >> r;
        printf("The area of circle is: %3.2f\n", Area(r)); //call of the function and print result
        system("PAUSE");
        return EXIT_SUCCESS;
}



/***** convert a distance in miles to kilometers *******/
#include <cstdlib>
#include <iostream>
using namespace std;
const float Mile = 1.609; 

float Dist( float m )
{
      return Mile * m; // returns kilometers
}
int main()

        float m; // radius
        cout << "Enter miles: ";
        cin >> m;
        printf("Distance in kilometers is: %3.3f\n", Dist(m)); //call of the function and print result
        system("PAUSE");
        return EXIT_SUCCESS;
}

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