20 Years of JMAP
Development of
JMAP began in March, 2004.
Please consider a $20 donation to acknowledge JMAP's impact on
high school mathematics education for the last 20 years!
Explain how the criteria for triangle congruence
(ASA, SAS, SSS, AAS and HL (Hypotenuse Leg)) follow from the definition of congruence in terms of
rigid motions.