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Parallel Postulate
Author:
Sam Elias
There exists exactly one parallel to a line through any one point (Parallel Postulate).
GeoGebra
New Resources
Angles and Intersecting Lines: Quick Investigation
Introduction
Stairs (Optical Illusion)
Teorema Japonês para quadriláteros inscritos em uma circunferência
Parallel or Not? (V2)
Discover Resources
area ratio of triangles having the same height
quelquesNotations1
Right Angles
Homotopy
Moment Projection on an Axis
Discover Topics
Difference and Slope
Special Points
Histogram
Dilation
Polynomial Functions