import java.lang.Math;

public class Geometry {

    public static double sphereVolume(double r){

        double sphereVolume = (4/3) * Math.PI * r * r;
        return sphereVolume;

    }

    public static double sphereSurface(double r){

        double sphereSurface = 4 * Math.PI * r * r;
        return sphereSurface;
    }

    public static double cylinderVolume(double r, double h){

        double cylinderVolume = Math.PI * r * r * h;
        return cylinderVolume;
    }

    public static double cylinderSurface(double r, double h){

        double cylinderSurface = (2 * Math.PI * r * h) + (2 * Math.PI * r * r);
        return cylinderSurface;
    }

    public static double coneVolume(double r, double h){

        double coneVolume = 1/3 * Math.PI * r * r * h;
        return coneVolume;
    }

    public static double coneSurface(double r, double h){

        double coneSurface = (Math.PI * r) * ( r + Math.sqrt((h* h) + (r * r)));
        return coneSurface;

    }

}