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Parallel lines and angles
Author:
Andrea Morgan
Topic:
Geometry
Move the blue dots around to see how movement affects the size of angles.
GeoGebra
New Resources
Piano. Keyboard.
Bottema's Theorem
Stairs (Optical Illusion)
Drag that Point!
Odd or Even
Discover Resources
Six transformations
Line Bisector Proof
rotation centre any point1
Untitled
Micro 4.11
Discover Topics
Quadrilaterals
Poisson Distribution
Area
Plane Figures or Shapes
Differential Equation