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//Header.h
#include <iostream>
#include <string>
#include <math.h>
void WriteHeader (); //function Prototype
int WriteMenu ();
double CalcTri (double triHeight, double triLength);
double CalcRec (double recLength, double recWidth);
double CalcConeVolume (double coneRadius, double coneHeight);
double CalcSurfAre (double coneRadius, double coneHeight);
void WriteResults (char UserChoice, double input1, double input2, double result);
void WriteResults (double height, double radius, double volume, double SurfArea);
//Functions.cpp
#include <iostream>
#include <math.h>
#include <stdlib.h>
using namespace std;
#include "Header.h"
//Writes Output to Screen
void WriteHeader(){
cout << "This program allows the user to enter the dimensions needed to calculate certain formulas." << endl;
cout << "Choose an option from the menu, enter dimensions in inches and follow instructions to obtain formula answers. \n" << endl;
}
int WriteMenu (){
char UserChoice;
cout << "1. Calculate the hypotenuse of a right angled triangel." << endl;
cout << "2. Calculate the area of a rectangle." << endl;
cout << "3. Calculate the volume and total surface area of a cone. \n"
<< endl;
cout << "Please enter the option of which you would like to calculate (1,
2, or 3): ";
cin >> UserChoice;
return UserChoice;
}
//Do the calculation
//Hypotenuse of right triangle
double CalcTri (double triHeight, double triLength){
double hypotenuse = 0.0;
hypotenuse = sqrt((triHeight * triHeight) + (triLength * triLength));
return hypotenuse;
}
//Area of a rectangle
double CalcRec (double recLength, double recWidth){
double area = 0.0;
area = recLength * recWidth;
return area;
}
//Volume of a Cone
double CalcConeVolume (double coneRadius, double coneHeight){
double volume = 0.0;
const double pi = 3.14159265;
volume = (1.0 / 3.0) * pi * coneRadius * coneRadius * coneHeight;
return volume;
}
//Surface Area of a Cone
double CalcSurfAre (double coneRadius, double coneHeight){
double SurfaceArea = 0.0;
const double pi = 3.14159265;
double length = 0.0;
length = sqrt((coneRadius * coneRadius) + (coneHeight * coneHeight));
SurfaceArea = (pi * (coneRadius * coneRadius)) + (pi * coneRadius *
length);
return SurfaceArea;
}
void WriteResults (char UserChoice, double input1, double input2, double result){
//if user chose to calculate hypotenuse
if (UserChoice == '1') {
cout << "\nYou enterd the height of the triangle to be ";
cout << input1 << " inches, \nand the length to be " << input2 <<
" inches.\n" << endl;
cout << "The hypotenuse of the right triangle is: ";
cout << result << " inches" << endl;
}
//if user chose to calculate area
else if (UserChoice == '2'){
cout << "\nYou enterd the length of the rectangle to be ";
cout << input1 << " inches, \nand the width to be " << input2 <<
" inches.\n" << endl;
cout << "The area of the rectangle is: ";
cout << result << " square inches" << endl;
}
}
//if user chose to calculate volume and surface area
void WriteResults (double height, double radius, double volume, double SurfArea)
{
cout << "\nYou enterd the height of the cone to be ";
cout << height << " inches, \nand the radius to be " << radius <<
" inches.\n" << endl;
cout << "The volume of the cone is: ";
cout << volume << " cubic inches \n" << endl;
cout << "The surface area of the cone is: ";
cout << SurfArea << " square inches" << endl;
}
//Driver.cpp
#include <iostream> //needed for cout and cin
#include <string>
#include <math.h>
#include <stdlib.h>
#include "Header.h"
using namespace std;
int main ()
{
//declarations
char UserChoice; //char or int
double triHeight = 0.0, triLength = 0.0, recLength = 0.0, recWidth = 0.0;
double coneRadius = 0.0, coneHeight = 0.0;
double hypotenuse = 0.0, area = 0.0, volume = 0.0, SurfArea = 0.0;
std::string answer;
//Call our function
WriteHeader();
//do while loop
do {
UserChoice = WriteMenu ();
do{
if (UserChoice == '1'){
cout << "\nWhat is the height of the triangle (example: 4.5)? ";
cin >> triHeight;
cout << "What is the length of the triangle (example: 4.5)? ";
cin >> triLength;
cin.ignore();
hypotenuse = CalcTri (triHeight, triLength);
WriteResults (UserChoice, triHeight, triLength,
hypotenuse);
}
else if (UserChoice == '2'){
cout << "What is the length of the rectangle (example: 4.5)? ";
cin >> recLength;
cout << "What is the width of the rectangle (example: 4.5)? ";
cin >> recWidth;
cin.ignore();
area = CalcRec (recLength, recWidth);
WriteResults (UserChoice, recLength, recWidth, area);
}
else if (UserChoice == '3'){ {
cout << "What is the radius of the cone (example: 4.5)? ";
cin >> coneRadius;
cout << "What is the height of the cone (example: 4.5)? ";
cin >> coneHeight;
cin.ignore();
volume = CalcConeVolume (coneRadius, coneHeight);
SurfArea = CalcSurfAre (coneRadius, coneHeight);
WriteResults (coneRadius, coneHeight, volume, SurfArea);
}
else{
cout << "You entered an incorrect choice, please choose again: " <<
endl;
UserChoice = WriteMenu();
}
}while (UserChoice != '1' || UserChoice != '2' || UserChoice != '3');
cout << "\nDo you want to play another round (yes/no) ==> ";
getline(cin,answer);
system ("CLEAR");
} while (answer == "yes" || answer == "YES" || answer == "Yes");
cout << "Thank you for coming to us for your needs! GOOD BYE!" << endl;
return 0;
}
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