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Resources Aops Wiki 2021 AMC 12A Problems/Problem 24: Revision history

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2021 AMC 12A Problems/Problem 24: Revision history

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4 November 2024

curprev 19:0119:01, 4 November 2024 Crazyvideogamez talk contribs m 16,415 bytes 0 →Solution 5 (Law of Sine and Power of a Point)

15 June 2024

curprev 15:2415:24, 15 June 2024 Thelittlecube talk contribs 16,415 bytes +2 →Solution 5 (Law of Sine and Power of a Point)

30 December 2023

curprev 06:3006:30, 30 December 2023 Isabelchen talk contribs m 16,413 bytes +48 →Solution 5 (Law of Sine and Power of a Point)
curprev 06:2806:28, 30 December 2023 Isabelchen talk contribs m 16,365 bytes +258 →Solution 5 (Law of Sine and Power of a Point)
curprev 05:2705:27, 30 December 2023 Isabelchen talk contribs 16,107 bytes +35 →Solution 5 (Law of Sine and Power of a Point)
curprev 05:1905:19, 30 December 2023 Isabelchen talk contribs 16,072 bytes +1,531 No edit summary

3 November 2023

curprev 18:2618:26, 3 November 2023 R00tsofunity talk contribs 14,541 bytes +119 No edit summary

27 October 2023

curprev 00:1200:12, 27 October 2023 Ericzzzqwq talk contribs 14,422 bytes +426 No edit summary

26 October 2023

curprev 23:5923:59, 26 October 2023 Ericzzzqwq talk contribs 13,996 bytes −22 No edit summary
curprev 23:5823:58, 26 October 2023 Ericzzzqwq talk contribs 14,018 bytes +483 No edit summary
curprev 23:4023:40, 26 October 2023 Ericzzzqwq talk contribs 13,535 bytes +227 No edit summary

2 January 2023

curprev 16:1816:18, 2 January 2023 MRENTHUSIASM talk contribs 13,308 bytes −86 The last edit is not quite necessary,
curprev 15:5515:55, 2 January 2023 R00tsofunity talk contribs m 13,394 bytes +86 No edit summary

22 November 2022

curprev 14:4814:48, 22 November 2022 Inventivedant talk contribs 13,308 bytes +16 forgot to sign my name at the end!
curprev 14:4314:43, 22 November 2022 Inventivedant talk contribs m 13,292 bytes 0 typo: M is midpoint of QR, not AB.
curprev 04:4704:47, 22 November 2022 MRENTHUSIASM talk contribs 13,292 bytes +20 →Solution 4
curprev 04:4404:44, 22 November 2022 MRENTHUSIASM talk contribs 13,272 bytes +2 →Solution 4
curprev 04:4404:44, 22 November 2022 MRENTHUSIASM talk contribs 13,270 bytes +1,746 →Solution 3 (Weighted Averages and Similar Triangles)
curprev 04:3404:34, 22 November 2022 MRENTHUSIASM talk contribs 11,524 bytes −1,561 →Solution
curprev 02:3902:39, 22 November 2022 Inventivedant talk contribs 13,085 bytes +1,561 new solution added

3 August 2022

curprev 15:1815:18, 3 August 2022 MRENTHUSIASM talk contribs m 11,524 bytes −1 →Solution 3 (Weighted Averages and Similar Triangles)
curprev 15:1815:18, 3 August 2022 MRENTHUSIASM talk contribs m 11,525 bytes +83 →Video Solution by OmegaLearn (Similar Triangles, Law of Sines, Law of Cosines )
curprev 15:1815:18, 3 August 2022 MRENTHUSIASM talk contribs m 11,442 bytes −83 →Video Solution
curprev 13:1413:14, 3 August 2022 Daijobu talk contribs m 11,525 bytes +84 No edit summary

3 May 2022

curprev 13:0313:03, 3 May 2022 MRENTHUSIASM talk contribs m 11,441 bytes −4 →Problem

8 December 2021

curprev 00:0200:02, 8 December 2021 MRENTHUSIASM talk contribs m 11,445 bytes 0 →Solution 1 (Possible Without Trigonometry)

29 September 2021

curprev 12:4212:42, 29 September 2021 MRENTHUSIASM talk contribs m 11,445 bytes +2 →Solution 1 (Possible Without Trigonometry)
curprev 08:3308:33, 29 September 2021 MRENTHUSIASM talk contribs m 11,443 bytes −1 →Diagram

27 September 2021

curprev 06:0906:09, 27 September 2021 MRENTHUSIASM talk contribs m 11,444 bytes 0 →Solution 1 (Possible Without Trigonometry)
curprev 00:0000:00, 27 September 2021 MRENTHUSIASM talk contribs 11,444 bytes +703 →Solution 1 (Possible Without Trigonometry): Coded the Asy diagram.

26 September 2021

curprev 23:4723:47, 26 September 2021 MRENTHUSIASM talk contribs m 10,741 bytes −5 →Solution 3 (Weighted Averages and Similar Triangles)
curprev 23:4123:41, 26 September 2021 MRENTHUSIASM talk contribs 10,746 bytes +368 →Diagram: Remade diagram using Asy.
curprev 23:1523:15, 26 September 2021 MRENTHUSIASM talk contribs m 10,378 bytes −3 →Solution 3 (Weighted Averages and Similar Triangles): Adjusted diagram size.
curprev 23:1423:14, 26 September 2021 MRENTHUSIASM talk contribs m 10,381 bytes +11 →Solution 2 (Trigonometry): Enlarged diagram a little.
curprev 23:0923:09, 26 September 2021 MRENTHUSIASM talk contribs 10,370 bytes −161 →Solution 1 (Possible Without Trigonometry): Condensed Sol slightly. To prove that a quadrilateral is a rectangle, we only need to show equiangularity, and we don't even need to show that oppo sides are parallel.

23 September 2021

curprev 16:1116:11, 23 September 2021 MRENTHUSIASM talk contribs m 10,531 bytes −117 Undo revision 162658 by MRENTHUSIASM (talk) Tag: Undo
curprev 16:0116:01, 23 September 2021 MRENTHUSIASM talk contribs 10,648 bytes +117 →Video Solution by OmegaLearn (Similar Triangles, Law of Sines, Law of Cosines )

18 June 2021

curprev 06:5706:57, 18 June 2021 MRENTHUSIASM talk contribs m 10,531 bytes +4 →Solution 1 (Possible Without Trigonometry)

17 June 2021

curprev 13:1513:15, 17 June 2021 MRENTHUSIASM talk contribs m 10,527 bytes +7 →Solution 1 (Possible Without Trigonometry)

17 May 2021

curprev 16:5716:57, 17 May 2021 MRENTHUSIASM talk contribs m 10,520 bytes +22 →Solution 3 (Weighted Averages and Similar Triangles): Fixed diagram.
curprev 14:4214:42, 17 May 2021 MRENTHUSIASM talk contribs 10,498 bytes +2,921 Added in Sol 3.

30 April 2021

curprev 09:0909:09, 30 April 2021 MRENTHUSIASM talk contribs m 7,577 bytes 0 →Solution 1 (Possible Without Trigonometry)
curprev 09:0309:03, 30 April 2021 MRENTHUSIASM talk contribs m 7,577 bytes 0 →Solution 1 (Possible Without Trigonometry)
curprev 09:0009:00, 30 April 2021 MRENTHUSIASM talk contribs m 7,577 bytes −7 →Solution 1 (Possible Without Trigonometry)
curprev 08:2108:21, 30 April 2021 MRENTHUSIASM talk contribs m 7,584 bytes 0 →Solution 1 (Possible Without Trigonometry)

29 April 2021

curprev 18:2418:24, 29 April 2021 MRENTHUSIASM talk contribs m 7,584 bytes +15 →Solution 1 (Possible Without Trigonometry)
curprev 18:2118:21, 29 April 2021 MRENTHUSIASM talk contribs m 7,569 bytes −4 →Solution 1 (Possible Without Trigonometry)

24 April 2021

curprev 03:3303:33, 24 April 2021 MRENTHUSIASM talk contribs m 7,573 bytes −15 →Solution 1 (Possible Without Trigonometry)
curprev 03:3103:31, 24 April 2021 MRENTHUSIASM talk contribs m 7,588 bytes +4 →Solution 1 (Possible Without Trigonometry)

7 April 2021

curprev 21:5721:57, 7 April 2021 MRENTHUSIASM talk contribs m 7,584 bytes 0 →Solution 1 (Possible Without Trigonometry)

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