Similar to 底_(初等幾何学)

Base (geometry)

Area of a circle

Bretschneider's formula

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

Circumgon

Encyclopedia of Triangle Centers

E8 (mathematics)

Astroid

Annulus (mathematics)

Affine space

Apollonius point

Circles of Apollonius

Archimedean property

Toroid

Foundations of geometry

Triangle center

Rectangular cuboid

Generatrix