Create a Geometry Calculator program that calculates the circumference of a circle, the area of a circle, and the volume of a sphere with a user inputted radius. You will implement this by creating four functions: A function that gets user input for a new radius and returns the value. A function that is passed the current radius, calculates the circumference of a circle, and returns that value. A function that is passed the current radius, calculates the area of a circle, and returns that value. A function that is passed the current radius, calculates the volume of a sphere, and returns that value. A function that is passed the current radius, returns nothing but only displays the following menu: GEOMETRY CALCULATOR 1) Input a new radius (Currently r = 1) 2) Circumference of Circle 3) Area of Circle 4) Volume of Sphere 5) Exit ________________________________ Please enter an option from the menu: Within the "main" function use a switch statement within a do - while loop to carry out the program that will call the necessary functions based upon user input. Here are some items you should consider: use the #include library for using the pow(function) Create a global variable for pi and declare it a constant: const double pi = 3.14159; Set the initial radius variable = 1. Use a double for variables. Don't worry about giving the units like square centimeters, etc. Just give the number.

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter6: User-defined Functions

Section: Chapter Questions

Problem 1TF: Mark the following statements as true or false: a. To use a predefined function in a program, you...

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Create a Geometry Calculator program that calculates the circumference of a circle, the area of a circle, and the volume of a sphere with a user inputted radius.

You will implement this by creating four functions:

A function that gets user input for a new radius and returns the value.
A function that is passed the current radius, calculates the circumference of a circle, and returns that value.
A function that is passed the current radius, calculates the area of a circle, and returns that value.
A function that is passed the current radius, calculates the volume of a sphere, and returns that value.
A function that is passed the current radius, returns nothing but only displays the following menu:

GEOMETRY CALCULATOR

1) Input a new radius (Currently r = 1)

2) Circumference of Circle

3) Area of Circle

4) Volume of Sphere

5) Exit

________________________________

Please enter an option from the menu:

Within the "main" function use a switch statement within a do - while loop to carry out the program that will call the necessary functions based upon user input.

Here are some items you should consider:
- use the #include<cmath> library for using the pow(function)
- Create a global variable for pi and declare it a constant:

const double pi = 3.14159;

- Set the initial radius variable = 1.
- Use a double for variables.
- Don't worry about giving the units like square centimeters, etc.
  - Just give the number.

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