Desargues' Theorem in 2D and 3D

作者: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).

新资源

Slope Between 2 Points (Phase 2)
Area of a Trapezoid
Regular Polygons and Equivalent Triangles
Fractal Tétraèdre. Dilatation -1/2 centre triangles
Trammel of Archimedes Art

发现资源

Circles
Dilating a triangle
Angle bisector
cdf_possion
Approximate 2D Euclidean Distance (version 2)

发现主题

立方体
三角函数
四边形
矩阵
导数