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projective geometry
Cross-ratio
projective geometry
Author:
Oct01dec
Topic:
Geometry
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Cross-ratio
New Resources
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Poorly Drawn Parallelograms 2
Dissections by Guillermo Bautista
What is an Isogonal Conjugate?
Variation Theory Parallelogram Proofs
Discover Resources
Phil
Trial
true/parallel-chords.ggb
Adventureland Task p4
The point of intersection and angle between two lines in 3D
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Algebra
Symmetry
Conic Sections
Rhombus
Sphere