Similar to 三角形の中心

Circumgon

Encyclopedia of Triangle Centers

Apollonius point

De Longchamps point

1 + 1 + 1 + 1 + ⋯

1/2 + 1/4 + 1/8 + 1/16 + ⋯

1/2 − 1/4 + 1/8 − 1/16 + ⋯

1/4 + 1/16 + 1/64 + 1/256 + ⋯

Four-dimensional space

Five-dimensional space

Six-dimensional space

Hundredth

Catalogue of Triangle Cubics

E8 (mathematics)

Theorema Egregium

Foundations of geometry

Linear separability

Base (geometry)

Isometric projection

Robbins constant

Wind triangle

Median (geometry)

Altitude (triangle)

Hart circle

Brocard circle

Yff center of congruence

Circumcircle