inscribed circle
THE LARGEST CIRCLE CONTAINED IN THE TRIANGLE; IT TOUCHES (IS TANGENT TO) THE THREE SIDES
Incircle; Excircle; Inradius; Contact triangle; Gergonne point; Gergonne triangle; Inscribed circle; Excircles; Excentre; Excenter; Excentral triangle; Intouch triangle; Gergonne Point; In-center; In-radius; Incircle & excircles of a triangle; Incentral triangle; Incircle radius; Escribed circle; Mandart circle; Geronne triangle
دائرة محوطة ، دائرة داخلة