20 February 2025

• curprev 17:4717:47, 20 February 2025 Ebullientchain talk contribs m 3,528 bytes −21 →Problem

26 November 2024

• curprev 13:0913:09, 26 November 2024 Lupa73 talk contribs 3,549 bytes +21 →Solution 1

22 September 2024

• curprev 18:5518:55, 22 September 2024 Elephant200 talk contribs m 3,528 bytes 0 →Solution 1

30 June 2022

• curprev 18:0518:05, 30 June 2022 Always90degrees talk contribs 3,528 bytes −10 →Problem: = the mistakenly added of the term 'rectangle' IN the problem statement. Though true, it is not in the original problem statement (based on Mr. R's video), indicating it was meant to be figured out by the solver!!

15 May 2021

• curprev 21:3121:31, 15 May 2021 Puffer13 talk contribs m 3,538 bytes −1 →Solution 1

15 July 2020

• curprev 18:1218:12, 15 July 2020 Jbala talk contribs 3,539 bytes +10 No edit summary

15 May 2020

• curprev 12:0112:01, 15 May 2020 Dolphin7 talk contribs 3,529 bytes +25 →Video Solution by Richard Rusczyk

27 April 2020

• curprev 05:0805:08, 27 April 2020 Ak2006 talk contribs 3,504 bytes −12 →Video Solution by Richard Rusczyk

4 April 2020

• curprev 15:2615:26, 4 April 2020 Dolphin7 talk contribs 3,516 bytes +95 No edit summary

14 September 2019

• curprev 06:5806:58, 14 September 2019 Justkeeprunning talk contribs 3,421 bytes +4 →Solution 1

1 August 2018

• curprev 21:1921:19, 1 August 2018 Euler14 talk contribs m 3,417 bytes −2 →Solution 1
• curprev 21:1821:18, 1 August 2018 Euler14 talk contribs m 3,419 bytes +2 →Solution 1

4 January 2018

• curprev 15:5315:53, 4 January 2018 Bobsonjoe talk contribs 3,417 bytes +402 →Solution 1

13 August 2014

• curprev 10:4410:44, 13 August 2014 TheMaskedMagician talk contribs 3,015 bytes +45 →Problem

4 July 2013

• curprev 11:0411:04, 4 July 2013 Nathan wailes talk contribs 2,970 bytes +15 No edit summary

10 February 2012

• curprev 00:4900:49, 10 February 2012 Talkinaway talk contribs 2,955 bytes +1,609 No edit summary

9 February 2012

• curprev 00:4300:43, 9 February 2012 Gina talk contribs 1,346 bytes +702 No edit summary

8 February 2012

• curprev 21:5621:56, 8 February 2012 Ace316 talk contribs 644 bytes +644 Created page with "==Problem 21== Let points <math>A</math> = <math>(0 ,0 ,0)</math>, <math>B</math> = <math>(1, 0, 0)</math>, <math>C</math> = <math>(0, 2, 0)</math>, and <math>D</math> = <math>(..."