Angle(2D objects, xOy plane) == Angle(2D objects)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33024 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
AppWApplet3D

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33025 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e