Revision as of 03:49, 7 January 2021 edit Silikonz (talk \| contribs) Extended confirmed users, Page movers, Pending changes reviewers, Rollbackers 9,238 edits typo Tag: 2017 wikitext editor ← Previous edit		Revision as of 03:57, 20 January 2021 edit undo 78.63.237.25 (talk) →Iterative algorithm: Fixed terminology Tags: Mobile edit Mobile web edit Next edit →
Line 61: Bisect {{math\|AB}} with line {{math\|OPC}}, {{math\|AC}} becomes one side of [[dodecagon]] (12-gon), let its length be {{math\|m}}. Let the length of {{math\|PC}} be {{math\|j}} and the length of {{math\|OP}} be {{math\|G}}. {{math\|AOP}}, {{math\|APC}} are two right angle triangles. Liu Hui used the [[Pythagorean ~~theorem\|Gou Gu~~ theorem]] repetitively: : <math>{} G^2 = r^2 - \left(\tfrac{M}{2}\right)^2</math>

Liu Hui's π algorithm: Difference between revisions