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GeoGebra
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GeoGebra
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A-tiles
Author:
John Golden
Topic:
Area
,
Geometry
Catriona Shearer's lovely
octagon puzzle
. That got Simon Gregg
dissecting the octagon
into lovely shapes with edges of 1 and root(2). Since I can't make blocks (yet) here I am on GGB.
GeoGebra
New Resources
Ellipse as Envelope - Correspondence Method
cylinder net slider
Construct a Square
Linear Cross Section Exercise
Cross Product in 2D and 3D
Discover Resources
animation2
Medians and the Centroid
Untitled
Sequence - Practice 數列 - 練習
Reflections of the Orthocenter in the Sides of the Triangle
Discover Topics
Standard Deviation
Upper and Lower Sum or Riemann Sum
Rotation
Cylinder
Scatter Plot