EntityQ211548· pop 44· linked from 157 articleslocusSign in to saveset of points whose location satisfies or is determined by one or more specified conditionsConnectionscircleEntityconic sectionEntitycurveEntitycritical pointEntitybisectionEntityLatinEntitygeometryEntityInternational Standard Book NumberEntityset theoryEntitysetEntitylineEntitypointEntityradiusEntityellipseEntityAlfred North WhiteheadEntitycoordinate systemEntityplaneEntityparabolaEntityline segmentEntityhyperbolaEntityCategoriesElementary geometry