EntityQ18430596· pop 12· linked from 1 articlestrillium theoremSign in to savea statement about properties of inscribed and circumscribed circlesConnectionsincircle and excircles of a triangleEntitycircumscribed circle for triangleEntityAlexander BogomolnyEntitygeometryEntitytriangleEntityInternational Standard Book NumberEntitycircleEntitydiameterEntitydigital object identifierEntitytheoremEntityline segmentEntityJSTOROrganizationisosceles triangleEntityQ118398EntitytridentEntityvertexEntitycircumscribed circleEntitynine-point circleEntityinscribed angleEntityMathWorldEntityCategoriesTheorems about triangles and circles