Connections
incircle and excircles of a triangle
Entity
Alexander Bogomolny
Entity
circumscribed circle for triangle
Entity
triangle
Entity
digital object identifier
Entity
Frederick Soddy
Entity
JSTOR
Organization
Q118398
Entity
Q22908627
Entity
polygonal chain
Entity
Mathematical Reviews
Entity
orthocenter
Entity
Descartes' theorem
Entity
semiperimeter
Entity
Émile Lemoine
Entity
American Mathematical Monthly
Entity
David Eppstein
Entity
homothetic center
Entity
de Longchamps point
Entity
Forum Geometricorum
Entity