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Resources Aops Wiki 2020 AMC 10A Problems/Problem 20: Revision history

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2020 AMC 10A Problems/Problem 20: Revision history

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(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)

28 October 2025

curprev 00:3800:38, 28 October 2025 Math-aarav10 talk contribs 16,393 bytes −21 →Video Solution by Pi Academy (Easy Similar Triangles,[Sol. 1])

10 October 2025

curprev 16:3016:30, 10 October 2025 Stanleyhy123 talk contribs 16,414 bytes +2 →Solution 10 Trigonometry

3 August 2025

curprev 11:2711:27, 3 August 2025 Grogg007 talk contribs m 16,412 bytes 0 →Solution 3 (Power of A Point)
curprev 11:1611:16, 3 August 2025 Grogg007 talk contribs m 16,412 bytes 0 →Solution 3 (Power of A Point)

1 August 2025

curprev 10:4210:42, 1 August 2025 Grogg007 talk contribs m 16,412 bytes −7 →Solution 3 (Power of A Point)
curprev 10:3210:32, 1 August 2025 Grogg007 talk contribs m 16,419 bytes 0 →Solution 3 (Power of A Point)
curprev 10:3110:31, 1 August 2025 Grogg007 talk contribs m 16,419 bytes +7 →Solution 3 (Power of A Point)
curprev 10:3010:30, 1 August 2025 Grogg007 talk contribs m 16,412 bytes −2 →Solution 3 (Power of A Point)
curprev 10:2910:29, 1 August 2025 Grogg007 talk contribs m 16,414 bytes +2 →Solution 3 (Power of A Point)
curprev 10:2810:28, 1 August 2025 Grogg007 talk contribs m 16,412 bytes +53 →Solution 3 (Power of A Point)

18 July 2025

curprev 19:0819:08, 18 July 2025 Grogg007 talk contribs m 16,359 bytes 0 →Solution 3 (Power of A Point)

16 July 2025

curprev 08:5108:51, 16 July 2025 Grogg007 talk contribs m 16,359 bytes +14 →Solution 3 (Power of A Point)

14 July 2025

curprev 07:5607:56, 14 July 2025 Grogg007 talk contribs m 16,345 bytes −14 →Solution 3 (Power of A Point)

13 July 2025

curprev 22:5922:59, 13 July 2025 Grogg007 talk contribs m 16,359 bytes −38 →Solution 3 (Power of A Point)
curprev 22:5622:56, 13 July 2025 Grogg007 talk contribs m 16,397 bytes +42 →Solution 3 (Power of A Point)
curprev 22:4922:49, 13 July 2025 Grogg007 talk contribs m 16,355 bytes +19 →Solution 3 (Power of A Point)
curprev 22:4822:48, 13 July 2025 Grogg007 talk contribs m 16,336 bytes −4 →Solution 3 (Power of A Point)
curprev 22:4722:47, 13 July 2025 Grogg007 talk contribs m 16,340 bytes +2 →Solution 3 (Power of A Point)
curprev 22:4422:44, 13 July 2025 Grogg007 talk contribs m 16,338 bytes +9 →Solution 3 (Power of A Point)
curprev 22:4422:44, 13 July 2025 Grogg007 talk contribs m 16,329 bytes +1 →Solution 9 Trigonometry
curprev 22:4322:43, 13 July 2025 Grogg007 talk contribs m 16,328 bytes 0 →Solution 8
curprev 22:4322:43, 13 July 2025 Grogg007 talk contribs m 16,328 bytes 0 →Solution 7 (Solving Equations)
curprev 22:4222:42, 13 July 2025 Grogg007 talk contribs m 16,328 bytes 0 →Solution 6 (Power of a Point)
curprev 22:4122:41, 13 July 2025 Grogg007 talk contribs m 16,328 bytes 0 →Solution 5 (Vectors / Coordinates)
curprev 22:4022:40, 13 July 2025 Grogg007 talk contribs m 16,328 bytes 0 →Solution 4 (Law of Cosines)
curprev 22:4022:40, 13 July 2025 Grogg007 talk contribs m 16,328 bytes +1,014 →Solution 3 (Trigonometry)

10 April 2025

curprev 17:4317:43, 10 April 2025 Charking talk contribs 15,314 bytes −44 Oops. Remove hashbrown2009 credit, hasbrown2009 has not made an edit on this page. Tag: Undo
curprev 17:3017:30, 10 April 2025 Charking talk contribs 15,358 bytes +43 Remove false credit Tag: Undo
curprev 17:2917:29, 10 April 2025 Charking talk contribs m 15,315 bytes −84 Remove false credit Tag: Undo

29 March 2025

curprev 19:2619:26, 29 March 2025 Hashbrown2009 talk contribs 15,399 bytes +15 →Solution 8
curprev 19:2519:25, 29 March 2025 Hashbrown2009 talk contribs 15,384 bytes +41 →Solution 3 (Trigonometry)

15 October 2024

curprev 17:4917:49, 15 October 2024 Stemivy1 talk contribs 15,343 bytes +121 No edit summary

7 October 2024

curprev 13:4713:47, 7 October 2024 Boxtheanswer talk contribs 15,222 bytes +922 →Solution 9 Trigonometry: diagram

30 September 2024

curprev 17:2817:28, 30 September 2024 Litboi102 talk contribs m 14,300 bytes −9 →Video Solution by TheBeautyOfMath

25 August 2024

curprev 12:3612:36, 25 August 2024 Azureliu talk contribs m 14,309 bytes +58 →Solution 9 Trigonometry
curprev 12:3112:31, 25 August 2024 Azureliu talk contribs m 14,251 bytes +1 →Solution 7 (Solving Equations)
curprev 12:3112:31, 25 August 2024 Azureliu talk contribs m 14,250 bytes −1 →Solution 7 (Solving Equations)

21 July 2024

curprev 10:5710:57, 21 July 2024 Cyantist talk contribs 14,251 bytes 0 →Solution 9 Trigonometry

20 July 2024

curprev 23:3123:31, 20 July 2024 Cyantist talk contribs 14,251 bytes 0 →Solution 9 Trigonometry
curprev 23:3123:31, 20 July 2024 Cyantist talk contribs 14,251 bytes +4 →Solution 9 Trigonometry
curprev 23:1923:19, 20 July 2024 Cyantist talk contribs 14,247 bytes +58 →Solution 9 Trigonometry
curprev 22:4822:48, 20 July 2024 Cyantist talk contribs 14,189 bytes +425 →Solution 8

28 October 2023

curprev 17:3317:33, 28 October 2023 Mathisfunsp talk contribs m 13,764 bytes +38 →Solution 1

6 October 2023

curprev 16:0116:01, 6 October 2023 Izzychess talk contribs m 13,726 bytes +1 →Solution 4 (Law of Cosines)

23 September 2023

curprev 14:4114:41, 23 September 2023 Eunicorn0716 talk contribs 13,725 bytes −102 →Video Solutions

30 March 2023

curprev 19:4419:44, 30 March 2023 Ethan.math talk contribs m 13,827 bytes +1 →Solution 1
curprev 19:4319:43, 30 March 2023 Ethan.math talk contribs m 13,826 bytes −1 →Solution 1

23 January 2023

curprev 02:2902:29, 23 January 2023 Pi is 3.14 talk contribs 13,827 bytes +89 →Video Solution 5
curprev 02:2902:29, 23 January 2023 Pi is 3.14 talk contribs 13,738 bytes −88 →Video Solution 6 by OmegaLearn
curprev 02:2802:28, 23 January 2023 Pi is 3.14 talk contribs 13,826 bytes +89 →Video Solution 5

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