You need plugins for Cabri2/Cabri3D to see
files embedded in htmls below, even if you
have those softwares. To download plugins,please
check these: cabri2 , cabri3D DOnce you install the plugins, you can
manuplate figures on the files with mouse
D To move the whole figure, please drag with
Ctrl key down . For reconstraction, please click the red
inverted triangle. At the bottom, there are also original
cabri files which you can directly manipulate
with Cabri/Cabri3D SOFTWARE (not plugins)DIf you can read Japanese , you can get detailed explanations of these files and mathematical proves from the PDF section below. There are one-to-one links to Cabri/Geogebra files. Note that , however, you should use 'back button' of your browser when you come back from these links, if you close the brouser, it also closes original PDFs.
Non Euclidian Geometry
), all rights reserved