1 July 2025

• curprev 13:5513:55, 1 July 2025 Sevenoptimus talk contribs m 13,977 bytes −16 Removed unnecessary links in problem statement

18 August 2023

• curprev 16:0216:02, 18 August 2023 Geosupercalc99 talk contribs 13,993 bytes 0 Minor math mistake in the last solution. Said that the ratio of the area of triangle DEC to area of triangle DCX is 1/3, when it's the ratio of the area of triangle DEC to the area of the triangle ABD that's 1/3.

24 December 2020

• curprev 15:0115:01, 24 December 2020 Kagebaka talk contribs 13,993 bytes +1,033 →Solution

11 July 2020

• curprev 18:5418:54, 11 July 2020 Franzliszt talk contribs 12,960 bytes +712 →Solution

23 December 2019

• curprev 11:3211:32, 23 December 2019 Math genius 164 talk contribs 12,248 bytes +3 →Solution 7 (Slight Trigonometry)
• curprev 03:1503:15, 23 December 2019 Math genius 164 talk contribs 12,245 bytes +18 →Solution 7 (Slight Trigonometry)
• curprev 03:1403:14, 23 December 2019 Math genius 164 talk contribs 12,227 bytes 0 No edit summary
• curprev 03:1303:13, 23 December 2019 Math genius 164 talk contribs 12,227 bytes 0 No edit summary
• curprev 03:0903:09, 23 December 2019 Math genius 164 talk contribs 12,227 bytes −16 No edit summary
• curprev 03:0603:06, 23 December 2019 Math genius 164 talk contribs 12,243 bytes +13 No edit summary
• curprev 03:0503:05, 23 December 2019 Math genius 164 talk contribs 12,230 bytes +1,356 No edit summary

22 December 2019

• curprev 15:2315:23, 22 December 2019 Dkneezel talk contribs m 10,874 bytes +1 →Solution 5: Fixed respective coordinates of A, B, C

16 November 2019

• curprev 17:2817:28, 16 November 2019 Brudder talk contribs 10,873 bytes +10 →Solution 6 (Mass Points)
• curprev 17:2817:28, 16 November 2019 Brudder talk contribs 10,863 bytes +22 →Solution 6 (Mass Points)
• curprev 17:2717:27, 16 November 2019 Brudder talk contribs 10,841 bytes +4 →Solution 6 (Mass Points)
• curprev 17:2717:27, 16 November 2019 Brudder talk contribs 10,837 bytes +4,205 →Solution

20 October 2019

• curprev 08:2208:22, 20 October 2019 Nikoislife talk contribs 6,632 bytes +27 →Solution 5
• curprev 08:2208:22, 20 October 2019 Nikoislife talk contribs 6,605 bytes +31 →Solution 5 (Easiest and best using shoelace)

19 October 2019

• curprev 21:5421:54, 19 October 2019 Kc1128331 talk contribs m 6,574 bytes +1 →Solution 5(Easiest and best using shoelace)

28 July 2019

• curprev 19:0919:09, 28 July 2019 Ianeatscats talk contribs 6,573 bytes 0 →Solution 1

26 May 2019

• curprev 03:5203:52, 26 May 2019 Bigpoppainyomomma talk contribs m 6,573 bytes 0 →Solution 5(Easiest and best using shoelace)
• curprev 03:5203:52, 26 May 2019 Bigpoppainyomomma talk contribs m 6,573 bytes +1 →Solution 5(Easiest and best using shoelace
• curprev 03:5103:51, 26 May 2019 Bigpoppainyomomma talk contribs 6,572 bytes +620 →Solution

13 June 2018

• curprev 21:5521:55, 13 June 2018 Coolgeo talk contribs 5,952 bytes +528 →Solution 4
• curprev 21:4521:45, 13 June 2018 Coolgeo talk contribs 5,424 bytes +21 →Solution 4
• curprev 21:4421:44, 13 June 2018 Coolgeo talk contribs 5,403 bytes +219 →Solution 4
• curprev 21:4021:40, 13 June 2018 Coolgeo talk contribs 5,184 bytes 0 →Solution 4
• curprev 21:3721:37, 13 June 2018 Coolgeo talk contribs 5,184 bytes +55 →Solution 4
• curprev 21:3021:30, 13 June 2018 Coolgeo talk contribs 5,129 bytes −21 →Solution 4
• curprev 21:3021:30, 13 June 2018 Coolgeo talk contribs 5,150 bytes 0 →Solution 4
• curprev 21:2821:28, 13 June 2018 Coolgeo talk contribs 5,150 bytes +21 →Solution 4
• curprev 21:2721:27, 13 June 2018 Coolgeo talk contribs 5,129 bytes −21 →Solution 4
• curprev 21:2721:27, 13 June 2018 Coolgeo talk contribs 5,150 bytes −52 →Solution 4
• curprev 21:2721:27, 13 June 2018 Coolgeo talk contribs 5,202 bytes +2 →Solution 4
• curprev 21:2421:24, 13 June 2018 Coolgeo talk contribs 5,200 bytes +1 →Solution 4
• curprev 21:2421:24, 13 June 2018 Coolgeo talk contribs 5,199 bytes +51 →Solution 4
• curprev 21:2221:22, 13 June 2018 Coolgeo talk contribs 5,148 bytes +147 →Solution 4
• curprev 21:1821:18, 13 June 2018 Coolgeo talk contribs 5,001 bytes +4 →Solution 4
• curprev 21:1721:17, 13 June 2018 Coolgeo talk contribs 4,997 bytes +54 →Solution 4
• curprev 21:1621:16, 13 June 2018 Coolgeo talk contribs 4,943 bytes 0 →Solution 4
• curprev 21:1621:16, 13 June 2018 Coolgeo talk contribs 4,943 bytes +1 →Solution 4
• curprev 21:1521:15, 13 June 2018 Coolgeo talk contribs 4,942 bytes +1 →Solution 4
• curprev 21:1521:15, 13 June 2018 Coolgeo talk contribs 4,941 bytes +4 →Solution 4
• curprev 21:1421:14, 13 June 2018 Coolgeo talk contribs 4,937 bytes +118 →Solution 4
• curprev 21:0921:09, 13 June 2018 Coolgeo talk contribs 4,819 bytes +2 →Solution 4
• curprev 20:4720:47, 13 June 2018 Coolgeo talk contribs 4,817 bytes −2 →Solution 4
• curprev 20:4520:45, 13 June 2018 Coolgeo talk contribs 4,819 bytes +2 →Solution 4
• curprev 20:4420:44, 13 June 2018 Coolgeo talk contribs 4,817 bytes +2 →Solution 4
• curprev 20:4420:44, 13 June 2018 Coolgeo talk contribs 4,815 bytes +10 →Solution 4
• curprev 20:4320:43, 13 June 2018 Coolgeo talk contribs 4,805 bytes +18 →Solution 4