Please provide C++ code for these guidelines: -Your main function should: read i

Question

Please provide C++ code for these guidelines:

-Your main function should: read in a ‘C’, ‘S’, ‘R’, ‘T’ or an ‘X’. If the user enters a ‘C’, they want to calculate the Area of a Circle. (S is for Square, R for Rectangle, T for Triangle and X is to Exit).

-The user should be able to enter an uppercase or lowercase letter.

-Continue asking the user for another letter until they enter ‘X’ to exit.

-Once the User enter a letter, prompt the user for the data needed to calculate the figure that they want.

(Example if they want to calculate the area of a Circle:

1. prompt the User for to enter a radius.

2. Read in the radius,

3. calculate the area by using the formula a=pi*Radius squared.    

4. Then print out the area of the circle.

5. Then go back to the original prompt for C S R T or X.

Explanation / Answer

This below C++ code is written based on the given problem statement requirements.

1.Created switch case statement for select the area for S, R, T or C..
2. Based on the selection input will read and calculate the area and display the area..

See the below code for getting better understand..

#include <iostream>
#include <cstdlib>
using namespace std;
int main()
{
    char ch;
    float radius = 0.0, side = 0.0, width =0.0, length = 0.0, base =0.0, height = 0.0;
    float pi = 3.14159;
    double area = 0.0;
    while(ch !='X' || ch !='x')
    {
        cout<<"Select C for circle S for Square R for Rectangle T for Triangle ad X for exit"<<endl;
        cin>>ch;
        switch(ch)
        {
            case 'C':
                cout<<"Enter Radius: "<<endl;
                cin>>radius;
                area = pi * radius * radius;
                cout<<"Circle Area is : "<<area<<endl;
                area = 0.0;
                break;
            case 'c':
                cout<<"Enter Radius: "<<endl;
                cin>>radius;
                area = pi * radius * radius;
                cout<<"Circle Area is : "<<area<<endl;
                area = 0.0;
                break;
            case 'S':
                cout<<"Enter side: "<<endl;
                cin>>side;
                area = side * side ;
                cout<<"Square Area is : "<<area<<endl;
                area = 0.0;
                break;
            case 's':
                cout<<"Enter side: "<<endl;
                cin>>side;
                area = side * side;
                cout<<"Square Area is : "<<area<<endl;
                area = 0.0;
                break;
            case 'R':
                cout<<"Enter Width : "<<endl;
                cin>>width;
                cout<<"Enter length : "<<endl;
                cin>>length;
                area = width * length;
                cout<<"Square Area is : "<<area<<endl;
                area = 0.0;
                break;
            case 'r':
                cout<<"Enter Width : "<<endl;
                cin>>width;
                cout<<"Enter length : "<<endl;
                cin>>length;
                area = width * length;
                cout<<"Square Area is : "<<area<<endl;
                area = 0.0;
                break;
            case 'T':
                cout<<"Enter Base : "<<endl;
                cin>>base;
                cout<<"Enter Height : "<<endl;
                cin>>height;
                area = (base * height)/2;
                cout<<"Square Area is : "<<area<<endl;
                area = 0.0;
                break;
            case 't':
                cout<<"Enter Base : "<<endl;
                cin>>base;
                cout<<"Enter Height : "<<endl;
                cin>>height;
                area = (base * height)/2;
                cout<<"Square Area is : "<<area<<endl;
                area = 0.0;
                break;
            case 'X':
                exit(0);
            case 'x':
                exit(0);
        }
   }
return 0;
}

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