Question 7 Construct a Circle class diagram that has the following member variables: radius - a double pi - a double initialized with the value 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 are 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, then display the circle's area, diameter, and circumference.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Question 7
Construct a Circle class diagram that has the following member variables:
radius - a double
pi - a double initialized with the value 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 are 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, then display the circle's area, diameter, and circumference.
Transcribed Image Text:Question 7 Construct a Circle class diagram that has the following member variables: radius - a double pi - a double initialized with the value 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 are 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, then display the circle's area, diameter, and circumference.
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