EntityQ4786887· pop 8· linked from 10 articlesArchimedean circleSign in to savecircle in the arbelos congruent to the twin circlesConnectionsArchimedesEntitygeometryEntityinfinityEntityradiusEntityInternational Standard Serial NumberEntityarbelosEntitysangakuEntityArchimedes' twin circlesEntityBook of LemmasEntityBankoff circleEntityLeon BankoffEntityCategoriesAncient Greek mathematicsArbelosArchimedesCircle packingGeometric shapes