Similar to ブレートシュナイダーの公式

Exterior angle theorem

Circumcircle

Circumscribed sphere

Cavalieri's principle

Angle

Angle bisector theorem

Carnot's theorem (inradius, circumradius)

Toroid

Foundations of geometry

Antiparallel lines

Concyclic points

Confocal

Coplanarity

Honeycomb (geometry)

Diameter

Casey's theorem

Kepler triangle

Arc (geometry)

Congruence (geometry)

Radical axis

Mixtilinear incircles of a triangle

Incircle and excircles

Tetrahedron

Triangulation

Square pyramid