Sorry. I really screwed up the previous post about SSA. I have corrected it here, I think.
> -----Original Message----- > From: Benson-John [mailto://email@example.com] > Sent: Monday, December 06, 1999 10:49 PM > To: firstname.lastname@example.org > Subject: Congruent triangles > > Actually, there is an angle, side side congruence relationship. I do not > think it is a postulate, I think it is a theorem. It is angle, small > side, large side. If the SIDE adjacent to the angle is smaller than > the SIDE opposite to the angle angle, or congruent to it, then the > triangles must be congruent because the opposite side cannot "swing" under > the angle to form two triangles. Hypotenuse leg is a special case of the > theorem. I always teach this to my students and then ask them why they > think it is not included in the text. I have found it useful in at least > one quite difficult problem I was trying to solve. > > > > John Benson > Evanston Township High School 715 South Boulevard > 1600 Dodge Avenue Evanston Il 60202-2907 > Evanston IL 60204 847) 328-8019 (phone & fax) > (847) 424-7600 (847) 226-7713 ( cell) > >