Question: PLEASE DO NOT COMPLICATE THE PROGRAM. WRITE IT USING CLASSES AND CONSTRUCTORS OF C++ LANGUAGE. Write a Circle class that has the following member variables:

PLEASE DO NOT COMPLICATE THE PROGRAM. WRITE IT USING CLASSES AND CONSTRUCTORS OF C++ LANGUAGE.

Write a Circle class that has the following member variables:

* radius: a double

* pi: a double initialized with the values 3.14159

The class should have the following member functions:

* Default Constructor: A default constructor that sets radius to 0.0.

* Constructor: Accepts the radius of the circle as an argument.

* setRadius: A mutator function for the radius variable.

* getRadius: An accessor function for the radius variable.

* getArea: Returns the area of the circle, which is calculated as area = pi * radius * radius

* getDiameter: Returns the diameter of the circle, which is calculated as diameter = radius * 2

* getCircumference: Returns the circumference of the circle, which is calculated as circumference = 2 * pi * radius

Write a C++ program that demonstrates the Circle class by asking the user for the circle's radius, creating a Circle object, and then reporting the circle's area, diameter, and circumference.

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