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1819 workshop scisports - veldbezit
Author:
Johan Lanting
GeoGebra
New Resources
Ellipse, Hyperbola and Circle as Envelopes
"Compressed" Astroid as Envelope
Viviani's Window
Witch of Agnesi - A Classical Construction
Ellipse as Envelope - Correspondence Method
Discover Resources
CT6: Angle between circle tangent and radius
Orthocentre
Fitting an Ellipse
Right Angle Trig
taller5AO
Discover Topics
Optimization Problems
Perimeter
Similarity Transformation or Similarity
Arithmetic
Inequalities