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January 16, 2009
June 27, 2007
May 20, 2007
no edit summary
+422
Reverted edits by MfD (Talk); changed back to last version by SeanTheSheep
m-422
+ area & perimeter
+251
n-gons
+171
May 14, 2007
April 30, 2007
Undo revision 137673 by Special:Contributions/Polish Kate (User talk:Polish Kate)
-360
no edit summary
+360
April 19, 2007
April 18, 2007
adding other four sided polygons
+30
quadrilateral is generic term.
-7
no edit summary
+155
not German
no edit summary
+28
no edit summary
m+20