Desargues' Theorem in 2D and 3D

Author:Steve Phelps

If the three straight lines joining the corresponding vertices of two triangles meet in a point (the perspector) then the three intersections of pairs of corresponding sides are lie on a line (the perspectrix).

New Resources

bewijs stelling van Pythagoras
Morse code visualizer / decoder
Golden Rectangles and Golden Spirals
Untitled
seo tool

Discover Resources

Fourier wave square
Investigating Escher's wings paws fins tesselation
pplot01
Rotating a Circle Around a Line/Axis Through the Diameter
Thales-teoreminin-görselleştirilmesi
Reflections

Discover Topics

Centroid or Barycenter
Arithmetic Mean
Complex Numbers
Vectors
Geometric Transformations