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FW: Congruent triangles Revisited. With corrections from previous nonsense post.
Posted:
Dec 7, 1999 2:26 AM



Sorry. I really screwed up the previous post about SSA. I have corrected it here, I think.
> Original Message > From: BensonJohn [mailto://jbens@casbah.acns.nwu.edu] > Sent: Monday, December 06, 1999 10:49 PM > To: geometryprecollege@mathforum.com > 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 602022907 > Evanston IL 60204 847) 3288019 (phone & fax) > (847) 4247600 (847) 2267713 ( cell) > >



