Hi Dear Friends!

I am new to among you! I have a problem. I am working on polygon modeling in Maya 2010. I am not using Split Polygon tool. I trying many variation for use it. But I can't

I want to split in red circle on this picture.



Uploaded with ImageShack.us

and file url : https://hotfile.com/dl/121473219/9e12...eling.rar.html

I need help immediately!
Thanks for help nowly,
Good Night...