I introduce the ASA Postulate and the AAS Theorem for proving two triangles are congruent and work through 4 examples of including 2 column proofs. EXAMPLES AT 0:50 7:19 9:45 13:38 Find free review test, useful notes and more at http://www.mathplane.com/ If you'd like to make a donation to support my efforts look for the "Tip the Teacher" button on my channel's homepage / profrobbob