206: Write a program to create a class named "Circle" which has the property "radius". Define functions to calculate the area and circumference of the circle.

 

// Write a program to create a class named "Circle" which has the property "radius".

// Define functions to calculate the area and circumference of the circle.

#include <iostream>

using namespace std;

class Circle

{

private:

    float radius;

public:

    void setRadius(float x)

    {

        radius = x;

    }

    float getRadius()

    {

        return radius;

    }

    float area()

    {

        return (3.14 * radius * radius);

    }

    float circumference()

    {

        return (2 * 3.14 * radius);

    }

};

int main()

{

    float x;

    cout << "Enter the radius of circle: ";

    cin >> x;

    Circle circle1;

    circle1.setRadius(x);

    system("cls");

    cout << "Area of circle is: " << circle1.area() << endl;

    cout << "Circumference of circle is: " << circle1.circumference() << endl;

    return 0;

}