8.5

package chap8;

public class geometryForExcercise8Dot5 {
	private static double sphereVol, sphereArea, cubeSurf, cubeVol, cylinderVol, cylinderArea, coneVol, coneArea;
	public static double cubeVolume(double h){
	cubeVol = h * h * h;
	return cubeVol;
	}
	public static double cubeSurface(double h){
	cubeSurf = (h*h) * 6;
	return cubeSurf;
	}
	public static double sphereVolume(double r){
	sphereVol = 4/3 * 3.14 * (r*r*r);
	return sphereVol;
	}
	public static double sphereSurface(double r){
	sphereArea = 4 * 3.14 * (r * r);
	return sphereArea;
	}
	public static double cylinderVolume(double h, double r){
	cylinderVol = 4.14 * (r*r) * h;
	return cylinderVol;
	}
	public static double cylinderSurface(double h, double r){
	cylinderArea = (2*3.14*r*h) + (2*3.14*r*r);
	return cylinderArea;
	}
	public static double coneVolume(double h, double r){
	coneVol = 3.14 * (r*r) * (h/3);
	return coneVol;
	}
	public static double coneSurface(double h, double r){
	double sqrootFiller = Math.sqrt((r*r)+(h*h));
	coneArea = 3.14 * r * (r + sqrootFiller);
	return coneArea;
	}
}