EntityQ2310718· pop 21· linked from 12 articlesPitot theoremSign in to savetheorem in geometryConnectionsgeometryEntitytriangleEntityInternational Standard Book NumberEntityquadrilateralEntitydigital object identifierEntityJakob SteinerEntityconvex polygonEntitytangential quadrilateralEntityincircle and excircles of a triangleEntityHenri PitotEntityconverseEntityMathematical ReviewsEntitysemiperimeterEntityTangent lines to circlesEntityDover PublicationsEntityCategoriesTheorems about quadrilaterals and circles