圖形分割 - 三角形分

Hope that you can understand my drawings..

圖片參考：http://img839.imageshack.us/img839/570/9triangles.jpg


2010-10-13 16:15:51 補充：
http://img839.imageshack.us/img839/570/9triangles.jpg

You may go to this link for full size picture.

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△ABCA－D－E－BB－F－G－CA－I－H－CAD=DE=BE=(1/3)ABBF=FG=GC=(1/3)BCAI=IH=HC=(1/3)AC連接DI，EH，EF，DG，GH，IF分割成 9 個大小相同的三角形