Rhombitrihexagonal Tiling: Geometry, Euclidean Plane, Triangle, Square, Hexagon, Vertex, Schläfli Symbol, Cantellation

Rhombitriheptagonal Tiling: Geometry, Hyperbolic Plane, Vertex, Triangle, Heptagon, Square, Schläfli Symbol

Lester's Theorem: Euclidean Plane, Geometry, Scalene Triangle

Quaquaversal Tiling: Aperiodic Tiling, John H. Conway, Pinwheel Euclidean Plane

Equilateral Triangle: Geometry, Triangle (geometry), Euclidean Equiangular Polygon