Note: I'd like this article to be readily understood, even by readers who did not get good marks in [[plane geometry]] or who managed to skip it somehow. --[[User:Ed Poor|Ed Poor]] <sup>[[User talk:Ed Poor|Talk]]</sup> 14:04, 13 November 2010 (EST) | Note: I'd like this article to be readily understood, even by readers who did not get good marks in [[plane geometry]] or who managed to skip it somehow. --[[User:Ed Poor|Ed Poor]] <sup>[[User talk:Ed Poor|Talk]]</sup> 14:04, 13 November 2010 (EST) |