18 June 2022

• curprev 21:2421:24, 18 June 2022 Huang001 talk contribs 8,119 bytes +1,590 →Solution

24 February 2022

• curprev 09:1909:19, 24 February 2022 Scarface talk contribs 6,529 bytes +428 No edit summary

10 March 2016

• curprev 12:0812:08, 10 March 2016 Wwwrqnojcm talk contribs m 6,101 bytes +48 →Solution 1

6 September 2015

• curprev 22:5222:52, 6 September 2015 Mathawesomeness777 talk contribs 6,053 bytes −2 →Solution 1
• curprev 22:5122:51, 6 September 2015 Mathawesomeness777 talk contribs 6,055 bytes −41 →Solution 1

16 February 2015

• curprev 13:5813:58, 16 February 2015 Suli talk contribs 6,096 bytes +753 →Solution 3

15 July 2014

• curprev 11:3011:30, 15 July 2014 5849206328x talk contribs 5,343 bytes +4,168 →Solution: official solutions

4 July 2013

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19 April 2010

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18 April 2010

• curprev 21:3021:30, 18 April 2010 5849206328x talk contribs 1,145 bytes +678 No edit summary

21 December 2008

• curprev 01:3701:37, 21 December 2008 Minsoens talk contribs 467 bytes +4 No edit summary
• curprev 01:3601:36, 21 December 2008 Minsoens talk contribs 463 bytes +463 New page: == Problem == Let <math>P</math> be a point in the plane of triangle <math>ABC</math> such that the segments <math>PA</math>, <math>PB</math>, and <math>PC</math> are the sides of an obtu...