Langley's Adventitious Angles: Revision history

19 February 2024

• curprev 04:0204:02, 19 February 2024‎ Sammi Brie talk contribs‎ 7,236 bytes +38‎ Adding short description: "Geometry puzzle" undo Tag: Shortdesc helper

28 April 2023

• curprev 14:4814:48, 28 April 2023‎ Onel5969 talk contribs‎ m 7,198 bytes −1‎ clean up, typo(s) fixed: ’s → 's (3) undo Tag: AWB

22 June 2022

• curprev 00:4300:43, 22 June 2022‎ Uscitizenjason talk contribs‎ 7,199 bytes +356‎ Link to resection method of angle calculation, and point out that this calculation is not equivalent to a proof. undo

27 March 2022

• curprev 17:3117:31, 27 March 2022‎ Kmhkmh talk contribs‎ 6,843 bytes −1‎ jpg -> svg undo
• curprev 17:2917:29, 27 March 2022‎ Kmhkmh talk contribs‎ 6,844 bytes +23‎ →‎Generalization: jpg -> svg undo
• curprev 15:5615:56, 27 March 2022‎ Kmhkmh talk contribs‎ 6,821 bytes +15‎ →‎External links undo

19 March 2022

• curprev 05:5405:54, 19 March 2022‎ Citation bot talk contribs‎ 6,806 bytes +105‎ Alter: pages. Add: s2cid, doi, issue, isbn. Formatted dashes. | Use this bot. Report bugs. | Suggested by Abductive | Category:Articles containing proofs | #UCB_Category 104/409 undo

4 March 2022

• curprev 21:5221:52, 4 March 2022‎ David Eppstein talk contribs‎ 6,701 bytes +74‎ say what it is undo
• curprev 20:4820:48, 4 March 2022‎ Uscitizenjason talk contribs‎ 6,627 bytes +5‎ remove ambiguity of angles B and C in original problem statement undo

26 July 2021

• curprev 18:2018:20, 26 July 2021‎ David Eppstein talk contribs‎ 6,622 bytes +19‎ rigby jstor undo
• curprev 18:1818:18, 26 July 2021‎ David Eppstein talk contribs‎ 6,603 bytes −597‎ Undo unsourced elaboration; the significance of having non-constructible angles to this problem needs a reliable source undo Tag: Undo
• curprev 17:3517:35, 26 July 2021‎ Uscitizenjason talk contribs‎ m 7,200 bytes +4‎ →‎The problem undo Tag: Reverted
• curprev 17:2617:26, 26 July 2021‎ Uscitizenjason talk contribs‎ 7,196 bytes +26‎ →‎The problem undo Tag: Reverted
• curprev 17:1817:18, 26 July 2021‎ Uscitizenjason talk contribs‎ 7,170 bytes +567‎ add comment on problem's unusual nature undo Tag: Reverted

7 July 2021

• curprev 07:1107:11, 7 July 2021‎ David Eppstein talk contribs‎ 6,603 bytes 0‎ →‎Solution: cs2 undo
• curprev 07:1107:11, 7 July 2021‎ David Eppstein talk contribs‎ 6,603 bytes +6‎ Undid revision 1032388726 by Emonnga (talk) unexplained removal, grammatical disimprovement undo Tag: Undo
• curprev 04:0204:02, 7 July 2021‎ Ys1123 talk contribs‎ 6,597 bytes −6‎ →‎Generalization undo Tags: Reverted Mobile edit Mobile app edit Android app edit

11 November 2020

• curprev 22:4322:43, 11 November 2020‎ Tarnoob talk contribs‎ 6,603 bytes −35‎ →‎External links: cat. undo

9 July 2020

• curprev 16:4716:47, 9 July 2020‎ David Eppstein talk contribs‎ 6,638 bytes −88‎ Speaking of false implications...footnote wording implied that calling a quadrilateral adventitious depends on the act of performing an angle measurement and the unit system you use for that act, rather than being an intrinsic property of the quadrilateral. undo
• curprev 08:1308:13, 9 July 2020‎ Kwamikagami talk contribs‎ 6,726 bytes +2‎ →‎Generalization: add commas to help parse footnote undo

8 July 2020

• curprev 21:3821:38, 8 July 2020‎ Kwamikagami talk contribs‎ 6,724 bytes +150‎ →‎Generalization: moving comment to a fn, per JBL, and replacing with David's wording from Talk undo
• curprev 16:3816:38, 8 July 2020‎ JayBeeEll talk contribs‎ 6,574 bytes −23‎ Reverted to revision 966603406 by Joel B. Lewis (talk): Rv disruptive tagging; discussion, leading eventually to consensus, is ongoing (TW) undo Tag: Undo
• curprev 02:1702:17, 8 July 2020‎ AnomieBOT talk contribs‎ m 6,597 bytes +15‎ Dating maintenance tags: {{POV}} undo
• curprev 01:5601:56, 8 July 2020‎ Kwamikagami talk contribs‎ 6,582 bytes +8‎ →‎top: this is ridiculous. Anyone who edits this article should understand this very elementary point. undo
• curprev 01:5101:51, 8 July 2020‎ JayBeeEll talk contribs‎ 6,574 bytes −48‎ Undid revision 966597898 by Kwamikagami (talk) rv nonsense undo Tag: Undo
• curprev 01:0201:02, 8 July 2020‎ Kwamikagami talk contribs‎ 6,622 bytes +48‎ Undid revision 966530518 by David Eppstein (talk) don't be purposefully stupid. this is close to vandalism. undo Tag: Undo

7 July 2020

• curprev 16:2116:21, 7 July 2020‎ David Eppstein talk contribs‎ 6,574 bytes −48‎ Undid revision 966463113 by Kwamikagami (talk) sure it does. In radians they would all be irrational undo Tag: Undo
• curprev 08:0308:03, 7 July 2020‎ Kwamikagami talk contribs‎ 6,622 bytes +48‎ →‎Generalization: tag inaccurate statement undo
• curprev 08:0208:02, 7 July 2020‎ David Eppstein talk contribs‎ 6,574 bytes −12‎ Undid revision 966462345 by Kwamikagami (talk) Rational degrees = rational gradians, so this is not even a generalization, just a way of making it look more complicated and confusing the readers undo Tag: Undo
• curprev 07:5607:56, 7 July 2020‎ Kwamikagami talk contribs‎ 6,586 bytes +12‎ Undid revision 966457627 by David Eppstein (talk) then you need some other wording that indicates this is about rational fractions of a circle and not degrees per se undo Tag: Undo
• curprev 07:0307:03, 7 July 2020‎ David Eppstein talk contribs‎ 6,574 bytes −12‎ Undid revision 966449591 by Kwamikagami (talk) does anyone use or care about gradians? undo Tag: Undo
• curprev 05:4105:41, 7 July 2020‎ Kwamikagami talk contribs‎ 6,586 bytes +12‎ →‎Generalization undo
• curprev 05:1205:12, 7 July 2020‎ Kwamikagami talk contribs‎ m 6,574 bytes 0‎ Kwamikagami moved page Langley’s Adventitious Angles to Langley's Adventitious Angles undo

14 May 2020

• curprev 20:2520:25, 14 May 2020‎ Lg editor talk contribs‎ 6,574 bytes +18‎ revert to the original problem. (see back issue of The Mathematical Gazette) / 3-circumcenter method is not for finding the class but for constructing a proof. undo

30 March 2020

• curprev 23:0323:03, 30 March 2020‎ 2601:409:8402:d440:3998:e9b1:5905:761b talk‎ 6,556 bytes 0‎ →‎The problem undo

14 January 2020

• curprev 06:4706:47, 14 January 2020‎ Double sharp talk contribs‎ 6,556 bytes +10‎ →‎Generalization undo

25 May 2019

• curprev 13:1413:14, 25 May 2019‎ 72.130.248.95 talk‎ 6,546 bytes −1‎ →‎Generalization: Removed exclamation mark undo Tags: Mobile edit Mobile web edit

1 September 2018

• curprev 22:2522:25, 1 September 2018‎ David Eppstein talk contribs‎ 6,547 bytes +12‎ Undid revision 857617527 by Toploftical (talk) use authorlink undo Tag: Undo
• curprev 22:0822:08, 1 September 2018‎ Toploftical talk contribs‎ 6,535 bytes +21‎ →‎Solution undo

7 June 2018

• curprev 15:2815:28, 7 June 2018‎ Jrheller1 talk contribs‎ m 6,514 bytes −1‎ remove unnecessary commas undo Tag: Visual edit
• curprev 15:1915:19, 7 June 2018‎ Jrheller1 talk contribs‎ m 6,515 bytes +27‎ add citation for Rigby paper undo Tag: Visual edit
• curprev 15:1615:16, 7 June 2018‎ Jrheller1 talk contribs‎ 6,488 bytes +91‎ move 2015 publication to separate paragraph undo Tag: Visual edit: Switched
• curprev 15:0215:02, 7 June 2018‎ Jrheller1 talk contribs‎ m 6,397 bytes +34‎ "aerile re" is a Japanese female undo Tag: Visual edit
• curprev 14:5914:59, 7 June 2018‎ Jrheller1 talk contribs‎ m 6,363 bytes +4‎ link Gerrit Bol undo Tag: Visual edit
• curprev 01:4501:45, 7 June 2018‎ Jrheller1 talk contribs‎ m 6,359 bytes +20‎ link "rational" undo Tag: Visual edit
• curprev 01:3301:33, 7 June 2018‎ Jrheller1 talk contribs‎ 6,339 bytes +51‎ clarify the work of "aerile re" undo Tag: Visual edit: Switched
• curprev 01:2001:20, 7 June 2018‎ Jrheller1 talk contribs‎ m 6,288 bytes +2‎ simplify undo Tag: Visual edit: Switched
• curprev 00:5600:56, 7 June 2018‎ Jrheller1 talk contribs‎ 6,286 bytes −51‎ use the terms "sides" and "diagonals" instead of the more obscure "six lines" undo Tag: Visual edit: Switched

5 June 2018

• curprev 18:0118:01, 5 June 2018‎ David Eppstein talk contribs‎ m 6,337 bytes −1,042‎ Reverted edits by AndersonMoffitt (talk) to last version by Joel B. Lewis undo Tag: Rollback
• curprev 16:2716:27, 5 June 2018‎ AndersonMoffitt talk contribs‎ 7,379 bytes +1,042‎ →‎Solution: added another solution undo