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During AMC 10A/12A testing, the AoPS Wiki is in read-only mode and no edits can be made.

Resources Aops Wiki 2019 AMC 12B Problems/Problem 25: Revision history

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2019 AMC 12B Problems/Problem 25: Revision history

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14 July 2025

curprev 00:4800:48, 14 July 2025 Mathmagicops talk contribs m 12,150 bytes 0 →Solution 4 (Homothety)
curprev 00:4700:47, 14 July 2025 Mathmagicops talk contribs 12,150 bytes 0 →Solution 4 (Homothety)

10 October 2024

curprev 02:3802:38, 10 October 2024 Souradipclash 03 talk contribs 12,150 bytes +23 →Solution 4 (Homothety)
curprev 02:3502:35, 10 October 2024 Souradipclash 03 talk contribs 12,127 bytes +20 →Solution 4 (Homothety)
curprev 02:3502:35, 10 October 2024 Souradipclash 03 talk contribs 12,107 bytes +822 →Solution 4 (Homothety)

29 August 2024

curprev 12:3712:37, 29 August 2024 Szhangmath talk contribs 11,285 bytes +42 →Solution 5
curprev 12:2812:28, 29 August 2024 Szhangmath talk contribs 11,243 bytes +22 →Solution 5
curprev 12:2412:24, 29 August 2024 Szhangmath talk contribs 11,221 bytes 0 →Solution 5
curprev 12:0012:00, 29 August 2024 Szhangmath talk contribs 11,221 bytes +15 →Solution 5
curprev 11:5911:59, 29 August 2024 Szhangmath talk contribs 11,206 bytes −106 →Solution 5
curprev 11:5811:58, 29 August 2024 Szhangmath talk contribs 11,312 bytes +23 →Solution 5
curprev 11:5711:57, 29 August 2024 Szhangmath talk contribs 11,289 bytes +918 →Solution 5
curprev 11:5611:56, 29 August 2024 Szhangmath talk contribs 10,371 bytes +5 →Solution 5
curprev 11:5411:54, 29 August 2024 Szhangmath talk contribs 10,366 bytes −13 →Solution 5
curprev 11:5311:53, 29 August 2024 Szhangmath talk contribs 10,379 bytes +2,230 →See Also

15 September 2023

curprev 14:0314:03, 15 September 2023 Numberwhiz talk contribs 8,149 bytes +1,000 →Solution 3 (Complex Numbers)

12 July 2023

curprev 14:4414:44, 12 July 2023 R00tsofunity talk contribs 7,149 bytes +76 No edit summary

20 August 2021

curprev 10:2610:26, 20 August 2021 Leo.euler talk contribs 7,073 bytes −100 →Solution 3 (Complex Numbers)
curprev 10:1810:18, 20 August 2021 Leo.euler talk contribs 7,173 bytes +14 →Solution 3 (Complex Numbers)

19 August 2021

curprev 20:5320:53, 19 August 2021 Leo.euler talk contribs 7,159 bytes −36 →Solution 3 (Complex Numbers)
curprev 20:2620:26, 19 August 2021 Leo.euler talk contribs 7,195 bytes +13 →Solution 3 (Complex Numbers)
curprev 20:2520:25, 19 August 2021 Leo.euler talk contribs 7,182 bytes 0 →Solution 3 (Complex Numbers)
curprev 20:2420:24, 19 August 2021 Leo.euler talk contribs 7,182 bytes 0 →Solution 3 (Complex Numbers)
curprev 20:2320:23, 19 August 2021 Leo.euler talk contribs 7,182 bytes +44 →Solution 3 (Complex Numbers)
curprev 20:1820:18, 19 August 2021 Leo.euler talk contribs 7,138 bytes −13 →Solution 3 (Complex Numbers)
curprev 20:1820:18, 19 August 2021 Leo.euler talk contribs 7,151 bytes +13 →Solution 3 (Complex Numbers)
curprev 20:1220:12, 19 August 2021 Leo.euler talk contribs 7,138 bytes −38 →Solution 3 (Complex Numbers)
curprev 20:0720:07, 19 August 2021 Leo.euler talk contribs 7,176 bytes +12 →Solution 3 (Complex Numbers)
curprev 20:0420:04, 19 August 2021 Leo.euler talk contribs 7,164 bytes +1,261 No edit summary

19 August 2020

curprev 14:3614:36, 19 August 2020 Blehlivesonearth talk contribs 5,903 bytes 0 →Solution 1 (vectors)

17 June 2020

curprev 16:3516:35, 17 June 2020 Somebodyyouusedtoknow talk contribs m 5,903 bytes +17 →Solution 2

10 April 2020

curprev 20:5620:56, 10 April 2020 Hi13 talk contribs m 5,886 bytes +12 →Problem

23 January 2020

curprev 16:0616:06, 23 January 2020 Zeric talk contribs 5,874 bytes +150 →Solution 1 (vectors)

21 January 2020

curprev 19:2919:29, 21 January 2020 Jason the best talk contribs 5,724 bytes 0 →Solution 2

1 January 2020

curprev 08:3008:30, 1 January 2020 Jason the best talk contribs 5,724 bytes −18 →Solution 1 (vectors)
curprev 08:2908:29, 1 January 2020 Jason the best talk contribs 5,742 bytes +18 →Solution 1 (vectors)

19 February 2019

curprev 00:1400:14, 19 February 2019 Sevenoptimus talk contribs 5,724 bytes +2,933 Added a new solution (using vectors), and cleaned up the old solution

14 February 2019

curprev 18:2218:22, 14 February 2019 P groudon talk contribs 2,791 bytes −4 No edit summary
curprev 18:1618:16, 14 February 2019 P groudon talk contribs 2,795 bytes +1,117 No edit summary
curprev 18:0418:04, 14 February 2019 P groudon talk contribs 1,678 bytes +576 No edit summary
curprev 17:1417:14, 14 February 2019 Ezmoneybois talk contribs 1,102 bytes +40 →Solution
curprev 15:4715:47, 14 February 2019 Specialbeing2017 talk contribs 1,062 bytes +26 →Solution
curprev 15:4715:47, 14 February 2019 Specialbeing2017 talk contribs 1,036 bytes +478 →Solution
curprev 12:2312:23, 14 February 2019 P groudon talk contribs 558 bytes +462 No edit summary
curprev 11:2311:23, 14 February 2019 Mguempel talk contribs 96 bytes −1 No edit summary
curprev 11:2311:23, 14 February 2019 Mguempel talk contribs 97 bytes +97 Created page with "==Problem== ==Solution== ==See Also== {{AMC12 box|year=2019|ab=B|num-b=24|After= Last Problem}}"

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