E8.5

public class StaticFunctions {

        public static double cubeVolume(double h){
            double cubeVolume;
            cubeVolume = Math.pow(h, 3);
            return cubeVolume;
        }

        public static double cubeSurface(double h){
            double cubeSurface;
            cubeSurface = 6 * (Math.pow(h, 2));
            return cubeSurface;
        }

        public static double sphereVolume(double r){
            double sphereVolume;
            sphereVolume = (4/3) * Math.PI * Math.pow(r, 3);
            return sphereVolume;
        }

        public static double sphereSurface(double r){
            double sphereSurface;
            sphereSurface = 4 * Math.PI * Math.pow(r, 2);
            return sphereSurface;
        }

        public static double cylinderVolume(double r, double h){
            double cylinderVolume;
            double circleArea;
            circleArea = Math.PI * Math.pow(r, 2);
            cylinderVolume = circleArea * h;
            return cylinderVolume;

        }
        public static double cylinderSurface(double r, double h){
            double cylinderSurface;
            cylinderSurface = (2 * Math.PI * r * h) + (2 * Math.PI * Math.pow(r, 2));
            return cylinderSurface;
        }
        public static double coneVolume(double r, double h){
            double coneVolume;
            coneVolume = (1/3) * Math.PI * Math.pow(r,2) * h;
            return coneVolume;
        }
        public static double coneSurface(double r, double h){
            double coneSurface;
            double pyThag;
            pyThag = Math.pow(r, 2) + Math.pow(h, 2);
            coneSurface = (Math.PI * r) * (r + Math.pow(pyThag, .5));
            return coneSurface;
        }



    }