13 November 2022

• 09:4009:40, 13 November 2022 diff hist +94 N File:19IMG 20221113 143805.jpg First draw the segment from M to C to split the quadrilateral into two triangles current
• 09:0409:04, 13 November 2022 diff hist +96 N File:17IMG 20221113 140112.jpg Using the AM-GM inequality, q+r/2 = sqrt(qr) if and only if q = r, which is shown. current

12 November 2022

• 12:4312:43, 12 November 2022 diff hist 0 N File:23 20221112 173811.jpg No edit summary current

11 November 2022

• 13:3913:39, 11 November 2022 diff hist +9 File:01 20221111 180400.jpg →Summary current
• 13:3913:39, 11 November 2022 diff hist +46 File:01 20221111 180400.jpg →Summary
• 13:1113:11, 11 November 2022 diff hist +20 N File:01 20221111 180400.jpg fffaaa