Talk:Cross's theorem
Add topicLatest comment: 6 months ago by JayBeeEll in topic Additional Sources to incorporate into the article
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Additional Sources to incorporate into the article
[edit]1912 geometry problem book page 736
A 2001 paper with a better description of the rotating flank proof
1995 MAA problem book (with solutions)(problem #295) EulerianTrail (talk) 17:03, 8 March 2026 (UTC)
- @EulerianTrail: responding to this comment and this one at WPM: rather than leaving cryptic and unexplained scare quotes in the article, can you find a clear statement of the theorem in a reference, that could be used to support a footnote? (For example, the following thing would be natural:
Of the three references you've included here, the first and third treat only the case that the central triangle is a right triangle, and the second does not explicitly state the theorem named here. --JBL (talk) 19:39, 15 March 2026 (UTC)The theorem is named after David Cross, who discovered it around 2004,[ref][ref] although it was known much earlier.[a]
- ↑ For example, the theorem appears in [list of one or more references that explicitly include the theorem].