#include <iostream>



using namespace std;



void circle ( );
void rectangle ( );
void square ( );




int main() 



{

	char choice = ' ';      // Variable declarations

	char doAgain = 'Y';



	do

	{



		cout << "You have the following choices:" << endl;  // making a menu

		cout << "C -- circle" << endl;

		cout << "S -- square" << endl;

		cout << "R -- rectangle" << endl
		cin >> "choice" ;

		choice = toupper(choice);  // makes the case upercase

		switch (choice)

		{

			case 'C': circle( ); break;    // nifty function calls

			case 'S': square( ); break;

			case 'R': rectangle( ); break;



			default: cout << "Invalid choice option.  Please try again." << endl << endl;



		}



		cout << "Would you like to do another arithmetic problem?";

		cin >> doAgain;

		

	}while( toupper(doAgain) == 'Y');



	return 0;
}

void circle ( )
{
	int operand1 ;
	float answer ;
d
	cout << "Enter the radius of the circle. " << endl;

	cin >> operand1;



	answer = (3.141592)*(operand1^2)


	cout << "The area of the circle is " << answer << endl;
}

void square ( )
{
	int operand1 ;
	int operand2 ;
	float answer ;

	cout << "Enter the two sides of the square seperated by a space." << endl;
	cin >> operand1 >> operand2;

	answer = (operand1*operand2)

	cout <<"The area of the square is " << answer << endl;
}

void rectangle ( )
{
	int operand1 ;
	int operand2 ;
	float answer ;

	cout <<"Enter the two side of the rectangle seperated by a space." << endl;
	cin >> operand1 >> operand2;

	answer = (operand1*operand2)

	cout <<"The area of the rectangle is " <<answer <<endl;
}