abbreviation question Home › Forums › Nemeth Code for Math and Science › abbreviation question This topic has 1 reply, 2 voices, and was last updated 9 years, 1 month ago by dworthing. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts October 18, 2014 at 5:23 pm #11693 jbbParticipant Is “by” contracted and attached to “ASA” in the sentence: “The triangles are congruent by ASA.” Thanks for your help! October 18, 2014 at 6:34 pm #22555 dworthingParticipant ASA is an abbreviation (Angle Side Angle) so you can contract and join "by" to it. Section 55aixc lists the items that you cannot use to, into and by with, and this type of abbreviation is not one of them Author Posts Viewing 2 posts - 1 through 2 (of 2 total) Everyone is free to read the forums, but only current NBA members can post. Become a member today. Click here to Login and return.