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Principia Prop. I.9
Author:
Alexis Doval
Figure for Newton Principia Prop. I.9
GeoGebra
Points P and p are bodies moving along an equiangular spiral. You can drag them to different position and see how the areas of the triangles stay in proportion.
New Resources
רישום חופשי
Introduction to Similar Triangles
fita tórica
SSS Congruence Theorem
Conformal mapping: Visualization
Discover Resources
Sketch 1a
triangle
T&M. 3 Volume of a Wineglass
negyedfoku
TVM Practice
Discover Topics
Correlation
Hypothesis Testing
Incircle or Inscribed Circle
Vectors 2D (Two-Dimensional)
Pythagoras or Pythagorean Theorem