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Parallel and Perpendicular Lines in the Coordinate Plane
Author:
Tim Brzezinski
Note the EXACT SLOPE tool (with blue background).
GeoGebra
Quick (Silent) Demo
New Resources
Droste effect
Kopie von parabel - parabol
Monkey typing Shakespeare's complete works
What if the Exponent is an OUTPUT?
bearing HK
Discover Resources
jaenflatland5-21-12
Shape project
Explore Parallel Lines And Transversal
Points on perpendicular Bisector
EUCLID'S FIFTH POSTULATE
Discover Topics
Isosceles Triangles
Angles
Vectors
Straight Lines
Upper and Lower Sum or Riemann Sum