23 January 2023

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24 January 2021

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13 August 2014

• curprev 10:5610:56, 13 August 2014 TheMaskedMagician talk contribs 1,084 bytes +45 →Problem

22 February 2014

• curprev 12:2312:23, 22 February 2014 Eum talk contribs m 1,039 bytes +15 No edit summary

21 February 2014

• curprev 12:1012:10, 21 February 2014 Eum talk contribs 1,024 bytes +62 Added templates

20 February 2014

• curprev 23:1123:11, 20 February 2014 Kevin38017 talk contribs 962 bytes +10 →Solution
• curprev 23:0723:07, 20 February 2014 Kevin38017 talk contribs 952 bytes +28 →Solution
• curprev 21:3621:36, 20 February 2014 Kevin38017 talk contribs 924 bytes −26 No edit summary
• curprev 17:3917:39, 20 February 2014 Kevin38017 talk contribs 950 bytes +950 Created page with "==Problem== Convex quadrilateral <math> ABCD </math> has <math> AB=3 </math>, <math> BC=4 </math>, <math> CD=13 </math>, <math> AD=12 </math>, and <math> \angle ABC=90^{\circ} <..."