3 May 2025

• curprev 21:2421:24, 3 May 2025 Paalu talk contribs 14,688 bytes +8 →Solution 11
• curprev 21:1521:15, 3 May 2025 Paalu talk contribs 14,680 bytes +18 No edit summary
• curprev 18:1118:11, 3 May 2025 Paalu talk contribs 14,662 bytes 0 →Solution 11
• curprev 18:1018:10, 3 May 2025 Paalu talk contribs 14,662 bytes 0 →Solution 11
• curprev 18:0818:08, 3 May 2025 Paalu talk contribs 14,662 bytes +519 No edit summary

8 December 2024

• curprev 20:0620:06, 8 December 2024 Jj empire10 talk contribs 14,143 bytes +107 No edit summary
• curprev 17:5117:51, 8 December 2024 Anduran talk contribs m 14,036 bytes +6 →Solution 9 (basic solution)
• curprev 17:4717:47, 8 December 2024 Anduran talk contribs m 14,030 bytes 0 →Solution 7
• curprev 17:4317:43, 8 December 2024 Anduran talk contribs 14,030 bytes +22 →Solution 6 (Only simple geometry and algebra needed)
• curprev 17:4017:40, 8 December 2024 Anduran talk contribs m 14,008 bytes +62 →Solution 5 (Pythagorean Theorem and little algebraic manipulation)

3 December 2024

• curprev 12:2812:28, 3 December 2024 Sepehr2010 talk contribs 13,946 bytes +3 →Solution 9 (basic solution)
• curprev 12:2612:26, 3 December 2024 Sepehr2010 talk contribs 13,943 bytes +785 →Solution 9 (basic solution)

10 November 2024

• curprev 15:5215:52, 10 November 2024 A mathemagician talk contribs 13,158 bytes −4 →Solution

30 October 2024

• curprev 12:1412:14, 30 October 2024 Shalomkeshet talk contribs m 13,162 bytes −2 →Solution
• curprev 12:1312:13, 30 October 2024 Shalomkeshet talk contribs 13,164 bytes +162 →Solution 1

27 May 2024

• curprev 16:4816:48, 27 May 2024 Spottedhawk talk contribs 13,002 bytes +11 →Solution 3

5 February 2024

• curprev 17:4417:44, 5 February 2024 Megahertz13 talk contribs 12,991 bytes −76 →Video Solution by MegaMath
• curprev 10:3810:38, 5 February 2024 Megahertz13 talk contribs 13,067 bytes +76 →Problem

6 December 2023

• curprev 17:1517:15, 6 December 2023 Happypi31415 talk contribs 12,991 bytes +5 →Solution 9 (LoC abuse)

13 July 2023

• curprev 12:0512:05, 13 July 2023 Happypi31415 talk contribs 12,986 bytes +4 →Solution 9 (LoC abuse)
• curprev 12:0312:03, 13 July 2023 Happypi31415 talk contribs 12,982 bytes +6 →Solution 9 (LoC abuse)
• curprev 12:0212:02, 13 July 2023 Happypi31415 talk contribs 12,976 bytes +11 →Solution 9 (LoC abuse)
• curprev 12:0112:01, 13 July 2023 Happypi31415 talk contribs 12,965 bytes +1 →Solution 9 (LoC abuse)
• curprev 12:0012:00, 13 July 2023 Happypi31415 talk contribs 12,964 bytes +11 →Solution 9 (LoC abuse)
• curprev 11:5911:59, 13 July 2023 Happypi31415 talk contribs 12,953 bytes +611 →Solution

6 March 2023

• curprev 00:5100:51, 6 March 2023 Dragoon talk contribs 12,342 bytes −54 →Solution 7 (Note: Assumption that R is collinear to the centers)
• curprev 00:5100:51, 6 March 2023 Dragoon talk contribs 12,396 bytes +43 →Solution 7 (Note: Assumption that R is collinear to the centers)

7 February 2023

• curprev 00:0200:02, 7 February 2023 Ryanjwang talk contribs m 12,353 bytes +2 →Solution 5 (Pythagorean Theorem and little algebraic manipulation)

24 December 2022

• curprev 14:5814:58, 24 December 2022 Hashtagmath talk contribs m 12,351 bytes 0 No edit summary

17 December 2022

• curprev 22:3422:34, 17 December 2022 Soilmilk talk contribs 12,351 bytes −28 →Solution 8 (Coordinate Bash, very similar to Solution 6)
• curprev 22:3322:33, 17 December 2022 Soilmilk talk contribs 12,379 bytes +28 →Solution 8 (Coordinate Bash)
• curprev 22:2922:29, 17 December 2022 Soilmilk talk contribs 12,351 bytes 0 →Solution 8 (Coordinate Bash)
• curprev 22:2822:28, 17 December 2022 Soilmilk talk contribs 12,351 bytes +34 →Solution 8 (Coordinate Bash)
• curprev 22:2622:26, 17 December 2022 Soilmilk talk contribs 12,317 bytes +26 →Solution 8 (Coordinate Bash)
• curprev 22:2622:26, 17 December 2022 Soilmilk talk contribs 12,291 bytes +10 →Solution 8 (Coordinate Bash)
• curprev 17:2117:21, 17 December 2022 Soilmilk talk contribs 12,281 bytes −2 →Solution 8 (Coordinate Bash)
• curprev 17:2117:21, 17 December 2022 Soilmilk talk contribs 12,283 bytes −2 →Solution 8 (Coordinate Bash)
• curprev 17:2117:21, 17 December 2022 Soilmilk talk contribs 12,285 bytes +13 →Solution 8 (Coordinate Bash)
• curprev 17:2017:20, 17 December 2022 Soilmilk talk contribs 12,272 bytes +17 →Solution 8
• curprev 17:2017:20, 17 December 2022 Soilmilk talk contribs 12,255 bytes +1,068 →Full Proof that R, A, B are collinear
• curprev 17:1917:19, 17 December 2022 Soilmilk talk contribs 11,187 bytes −1,068 →Solution 5
• curprev 17:1917:19, 17 December 2022 Soilmilk talk contribs 12,255 bytes +1,069 →Solution

25 September 2022

• curprev 20:4420:44, 25 September 2022 Dragoon talk contribs 11,186 bytes +1,295 No edit summary

2 August 2022

• curprev 09:0309:03, 2 August 2022 Pinkpig talk contribs 9,891 bytes −99 No edit summary
• curprev 09:0209:02, 2 August 2022 Pinkpig talk contribs 9,990 bytes +1,300 No edit summary

13 December 2020

• curprev 14:2714:27, 13 December 2020 Kinglogic talk contribs 8,690 bytes +1,453 →Solution: Added a solution

9 April 2020

• curprev 14:3914:39, 9 April 2020 Aastha.sharma02 talk contribs m 7,237 bytes 0 →Solution 2 (easiest)

24 February 2020

• curprev 14:4814:48, 24 February 2020 Hurdler talk contribs 7,237 bytes +169 →Full Proof that R, A, B are collinear
• curprev 14:4714:47, 24 February 2020 Hurdler talk contribs 7,068 bytes +1,787 →Solution

15 February 2019

• curprev 19:1719:17, 15 February 2019 Sevenoptimus talk contribs 5,281 bytes +122 Added more detail to Solution 4