This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Redrawn to SVG format. The original can be viewed here: Cutcircle.jpg: . Modifications made by Pbroks13.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
{{Information |Description=Area of polygon approaches area of circle刘徽割圆术原理 |Source=*Image:Cutcircle.jpg |Date=2008-07-04 20:30 (UTC) |Author=*derivative work: ~~~ *Image:Cutcircle.jpg: Gisling |Permission=see be