Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsSquare Pyramid and Its Right Triangleshttp://demonstrations.wolfram.com/SquarePyramidAndItsRightTriangles/]]>http://demonstrations.wolfram.com/SquarePyramidAndItsRightTriangles/Archimedes's Tombhttp://demonstrations.wolfram.com/ArchimedessTomb/]]>http://demonstrations.wolfram.com/ArchimedessTomb/The Wire Problemhttp://demonstrations.wolfram.com/TheWireProblem/]]>http://demonstrations.wolfram.com/TheWireProblem/Maximizing the Area of Some Geometric Figures of Fixed Perimeterhttp://demonstrations.wolfram.com/MaximizingTheAreaOfSomeGeometricFiguresOfFixedPerimeter/]]>http://demonstrations.wolfram.com/MaximizingTheAreaOfSomeGeometricFiguresOfFixedPerimeter/The Ratio of Surface Area to Volume for a Cube and a Spherehttp://demonstrations.wolfram.com/TheRatioOfSurfaceAreaToVolumeForACubeAndASphere/]]>http://demonstrations.wolfram.com/TheRatioOfSurfaceAreaToVolumeForACubeAndASphere/Cylinder Hemisphere Conehttp://demonstrations.wolfram.com/CylinderHemisphereCone/]]>http://demonstrations.wolfram.com/CylinderHemisphereCone/