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Perpendicular tangent lines
Author:
Duy Cuong
GeoGebra
New Resources
Angles and Intersecting Lines: Quick Investigation
Slope of a Straight Line: Run and Rise
Rotating Points (Optical Illusion)
Ellipse as Envelope - Correspondence Method
Drag that Point!
Discover Resources
StudentPDF_locus
Data
Transformations Review
The binomial and Poisson distributions
Parallel and Perpendicular Lines Investigation
Discover Topics
Secant Line or Secant
Hypergeometric Distribution
Complex Numbers
Fractal Geometry
Upper and Lower Sum or Riemann Sum