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

seo tool
Constructing a Regular Hexagon + Practice
Monge's Theorem
Untitled
רישום חופשי

Discover Resources

Congruent Triangles Exploration 5
Slopes of Perpendicular Lines
Interesting What-If Possibility #1
รูปสามมิติ
triangle project for math

Discover Topics

Inequalities
Equations
Plane Figures or Shapes
Binomial Distribution
LCM and GCD