ERIC Number: EJ413935
Record Type: CIJE
Publication Date: 1990
Reference Count: 0
Why Is the SSA Triangle-Congruence Theorem Not Included in Textbooks?
Hirschhorn, Daniel B.
Mathematics Teacher, v83 n5 p358-61 May 1990
Described is a theorem which is generally not present in most high school geometry textbooks. Presented are two proofs and two cases which illustrate the use of the SSA theorem. (CW)
Publication Type: Journal Articles; Guides - Non-Classroom
Education Level: N/A
Audience: Teachers; Practitioners
Authoring Institution: N/A