The term "reflex angle" is a listing in my American Heritage Dictionary, published 1970, where it is defined correctly.
Sarah Seastone wrote: > > Since I agree with Prof. Conway about looking words up in the dictionary, I > tried looking up reflex angle. My standby is Webster's 2nd International > Dictionary unabridged, published in 1957. It is usually a pretty good > dictionary for math definitions, although not for the space program or > computer jargon, but reflex angle isn't in it under either reflex or angle. > Is this a more recent use of the word reflex ('bent back') to refer to an > angle? > > - Sarah > > At 4:25 PM -0400 7/15/98, John Conway wrote: > >On 14 Jul 1998, brian j. devine wrote: > > > >> my daughter is going into the sixth grade. however, she is quite > >> intelligent and is taking advanced math classes at > >> carnegie mellon university. > >> > >> her current summer class is in geometry. her homework for > >> tonight is to find the definition of a reflex angle. > >> > >> can you help? she would need the answer by wednesday morning at 8:00 > >> eastern time. > >> > >> could you send a definition that smart elementary school children > >> could understand? > >> > >> thank you very much. > > > > I often answer such questions, but really feel that this one rather > >deserves a rebuke. Your house should contain a dictionary, and your > >daughter should be able to use it. > > > > John Conway