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).

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Trammel of Archimedes Art
Other Variations of Cosine
Graph of Slopes of Tangent Lines
Domain of f(x,y)
רישום חופשי

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exemple
A slightly generalized ellipse
start, create an isosceles triangle
Link zu Wolfram: Catenary- the Hanging chain. Der Unterschied zwischen Parabel und Kettenlinie.
Ejemplo de pintura

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Expected Value
Vectors
Bar Chart or Bar Graph
Right Triangles
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