Dictionary.com · The American Heritage® Dictionary
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Equiangular polygon - Wikipedia, the free encyclopedia
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Equiangular lines - Wikipedia, the free encyclopedia
In geometry, a set of lines in Euclidean space is called equiangular if every pair of lines makes the same angle. Equiangular lines are related to two-graphs. Given a set of equiangular lines, let ...
en.wikipedia.org/wiki/Equiangular_lines |
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; The equiangular spiral was invented by Descartes in 1638. Torricelli worked on it independently and found the length of the curve. ... The pedal of an equiangular spiral, when the pedal point is the pole, is an identical equiangular spiral.
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I am afraid that your browser cannot handle Java code. ... Click on the Curve menu to choose one of the associated curves. Then click on the diagram to choose a point for the involutes, pedal curve, etc. You can then move the point around ... For the inverse (wrt a circle) click the mouse and drag to choose a centre and radius.
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The equiangular spiral was first considered in 1638 by Descartes, who started from the property s = a.r. Evangelista Torricelli, who died in 1647, worked on it independently and used for a definition the fact that the radii are in geometric progression if the angles increase uniformly.
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Equilateral Triangle or Equiangular Triangle ... A polygon is a closed figure made by joining line segments, where each line segment intersects exactly two others. ... The figure below is not a polygon, since it is not a closed figure:
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