Euclid's Big Problem - Numberphile
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Elementary shapesCircleCubeRhombusElementary geometryBisectionDiagonalPerpendicularPoint (geometry)Compass and straightedge constructionsAngle trisectionPierre WantzelDoubling the cubeCompass-and-straightedge constructionElementary algebraFraction (mathematics)Square rootCube rootAnalytic geometryLine (geometry)Analytic geometryArc (geometry)AlgebraAlgebraMultiplicationLine segmentTrigonometryPythagorean theoremTrigonometryHypotenuse