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Parallel Lines Activity
Author:
Arisa Hirabayashi
GeoGebra
New Resources
Ellipse, Hyperbola and Circle as Envelopes
"Compressed" Astroid as Envelope
Stairs (Optical Illusion)
van Aubel's Theorem
Simplifying Radicals: Geometric Thin Slice
Discover Resources
Egypt Revisited
TruncatedRightCircularCone
Square Cross Section
Parabola - Geometric Definition I
Year 9 IGCSE Ext Ch4.4 Ex8 Q6
Discover Topics
Similarity Transformation or Similarity
Cuboid
Line Segment
Symmetry
Quadratic Equations