EntityQ1789863· pop 16· linked from 11 articlesRouth's theoremSign in to savegeometrical theorem of trianglesConnectionsVirginiaEntitygeometryEntitytriangleEntityareaEntityRichard FeynmanEntityCambridgeEntitypedagogyEntitydigital object identifierEntityWilliamsburgEntitymedianEntityMenelaus' theoremEntityMathWorldEntityCollege of William & MaryEntitycentroidEntityrecreational mathematicsEntityEric W. WeissteinEntityHarold Scott MacDonald CoxeterEntitycevianEntityEdward RouthEntityWilliam HopkinsEntityCategoriesAffine geometryAreaTheorems about triangles