Write a class declaration named Circle with a private member variable named radius. Write set and get functions to access the radius variable, and a function named getArea that returns the area of the circle. The area is calculated as: 3.14159 * radius * radius

See explaination

Explanation:

#include <iostream>

using namespace std;

class Circle{

// private member variable named radius

private:

double radius;

// get function for radius

public:

double getRadius(){

return radius;

}

// set function for radius

void setRadius(double rad){

radius=rad;

}

// returning area = 3.14159 * radius * radius

double getArea(){

return (3.14159 * radius * radius);

}

};

// Sample run

int main()

{

// Declaring object of Circle

Circle myCircle;

myCircle.setRadius(5);

// printing radius of circle

cout<<"Radius of circle is: "<<(myCircle.getRadius())<<endl;

// printing area of circle

cout<<"Area of circle is: "<<(myCircle.getArea())<<endl;

return 0;

}

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