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//Audy L Sain
//Week 8 Assignment 1
//Geometry Calculator
#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
const float pi = 3.14150;
//Functions
void showMenu();
void showCircle(float, float);
void showRectangle(float, float, float);
void showTriangle(float, float, float);
void showTrapezoid(float, float, float, float);
void showSphere(float, float);
int main()
{
int choice; //Menu choices
float area, radius, length, width, area1, base,
height, area2, height1, base1, base2,
area3, radius1, area4;
const int Circle_Area = 1,
Rectangle_Area = 2,
Triangle_Area = 3,
Trapezoid_Area = 4,
Sphere_Area = 5,
Exit = 6;
do
{
showMenu();
cin >> choice;
while (!cin || choice < Circle_Area || choice > Exit)
{
cout << "Please enter a valid Number: ";
cin.clear();
cin.ignore(1000, '\n');
cin >> choice;
}
if (choice != Exit)
{
switch (choice)
{
case Circle_Area:
showCircle(radius, area);
break;
case Rectangle_Area:
showRectangle(length, width, area1);
break;
case Triangle_Area:
showTriangle(base, height, area2);
break;
case Trapezoid_Area:
showTrapezoid(height1, base1, base2, area3);
break;
case Sphere_Area:
showSphere(radius1, area4);
break;
}
}
}
while (choice != Exit);
return (0);
}
//Menu Function
void showMenu()
{
cout << "Please choose a selection" << endl << endl
<< "1. Calculate the Area of a Circle" << endl
<< "2. Calculate the Area of a Rectangle" << endl
<< "3. Calculate the Area of a Triangle" << endl
<< "4. Calculate the Area of a Trapezoid" << endl
<< "5. Calculate the Area of a Sphere" << endl
<< "6. Exit" << endl << endl;
}
//Circle Function
void showCircle(float radius, float area)
{
cout << "What is the radius of the circle :";
cin >> radius;
area = pi * pow(radius, 2);
cout << "\nThe area of the circle is :" << area << endl << endl;
}
//Rectangle Function
void showRectangle(float length, float width, float area1)
{
cout << "What is the rectangle length :";
cin >> length;
cout << "\nWhat is the rectangle width :";
cin >> width;
area1 = length * width;
cout << "\nThe area of the rectangle is :" << area1 << endl << endl;
}
//Triangle Function
void showTriangle(float base, float height, float area2)
{
cout << "What is the length of the triangle's base :";
cin >> base;
cout << "\nWhat is the height of the triangle :";
cin >> height;
area2 = base * height * 0.5;
cout << "\nThe area of the triangle is :" << area2 << endl << endl;
}
//Trapezoid Function
void showTrapezoid(float height1, float base1, float base2, float area3)
{
cout << "What is the height of the trapezoid :";
cin >> height1;
cout << "\nWhat is the first base of the trapezoid :";
cin >> base1;
cout << "\nWhat is the secound base of the trapezoid :";
cin >> base2;
area3 = height1 / 2 * (base1 + base2);
cout << "\nThe area of the trapezoid is :" << area3 << endl << endl;
}
//Sphere Function
void showSphere(float radius1, float area4)
{
cout << "What is the radius of the sphere :";
cin >> radius1;
area4 = 4 * pi * pow(radius1, 2);
cout << "The area of the sphere is :" << area4 << endl << endl;
}
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