EntityQ60681777· pop 7· linked from 1 articlesConstant chord theoremSign in to savean invariant cord in one of two intersecting circles based on any point in the otherConnectionsgeometryEntityInternational Standard Book NumberEntitycircleEntitysphereEntityconeEntitychordEntityAmerican Mathematical MonthlyEntityRoss HonsbergerEntityNathan Altshiller CourtEntityCategoriesEuclidean geometryTheorems about circles