#define _CRT_SECURE_NO_WARNINGS
#include <string>

using namespace std;

int main(int argc, char** argv)
{
	//Setting Variables 
	double circleRadius;
	double triangleBase;
	double triangleHeight;

	double circleArea;
	double triangleArea;
	double shadedArea;

	//Allow User to Enter Values for Variables
	printf("please enter the circle radius: ");
	scanf("%lf", &circleRadius);

	printf("Please enter the triangle base: ");
	scanf("%lf", &triangleBase);

	printf("Please enter the trinagle height: ");
	scanf("%lf", &triangleHeight);

	//Calculating Circle Area
	circleArea = 3.142 * 10;
	circleArea = circleArea * circleArea;

	//Calculating Triangle Area
	triangleArea = (triangleBase * triangleHeight) / 2;

	//Calculating Shaded Area 
	shadedArea = circleArea - triangleArea;

	//Displaying the Shaded Area
	printf("The area of the shaded area is: %0.2f\r\n", shadedArea);

	return 0;
}