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Act 9 211
Author:
Dr. Ian Lundholm
GeoGebra
New Resources
Poorly Drawn Parallelograms 3
alg2_05_05_01_slider_practice_flvs
Icosahedron
探究由平行線和截線所成的角
Variation Theory Parallelogram Proofs
Discover Resources
Exploring the Open-Top Box Problem
parallel lines
T triangle graph
Area of circle from Area of triangle
Sqrt2
Discover Topics
Rational Numbers
Tree Diagrams
General Quadrilateral
Tangent Line or Tangent
Polygons