Write a Circle class that has the following data members: radius: a double The c

Question

Write a Circle class that has the following data members:

radius: a double

The class should have the following member functions:

Write a program the demonstrate the Circle class perform the following
tasks:

Explanation / Answer

#include using namespace std; class Circle { private: double pi; double radius; public: Circle() { pi = 3.14159; radius =0.0; } Circle(double radius) { pi = 3.14159; this->radius = radius; } void setRadius(doubleradius) { this->radius = radius; } double getRadius() { returnradius; } double getArea() { return pi* radius * radius; } double getDiameter() { returnradius * 2; } double getCircumfrence() { return 2 *pi * radius; } }; int main() { /* Data object and variable. */ Circle circle = Circle(); double radius; /* Introductory message. */ cout

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