I-Home improvement

[Bull_Dolphin]

That's what the tables are for. They give the miter and bevel for any wall angle. If you measure the walls with a protractor and follow the tables, there's no fudging required.

Here's a link to dewalt's (Page down to near the bottom):

http://www.dewalt.com/us/articles/article.asp?Site=woodworking&ID=2

regards