Matematicas Visuales|Geometry

Triangles
	Morley triangle
	Wallace-Simson lines
	Steiner deltoid Steiner deltoid is an hypocycloid The deltoid and the Morley triangle
	Pythagoras' theorem in a tiling
Circles
	Central and inscribed angles in a circle "Mostration"
Plane transformations
	Dilative rotation
	Durer
	The Ambassadors by Holbein the Younger (in Spanish)
Spirals
	Equiangular spiral Dilation and rotation in a equiangular spiral
The divine proportion
	The golden rectangle The golden rectangle and the dilative rotation The golden rectangle and two equiangular spirals
	The golden spiral
Space geometry
	Volume of the tetrahedron Sections on a tetrahedron Sections in Howard Eves's tetrahedron
	Sections in the sphere
	Surprising Cavalieri congruence between a sphere and a tetrahedron
	Regular dodecahedron The volume of a regular dodecahedron (new Flash version)
	Volume of a octahedron