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Furst six triangle centres
Author:
Prof Bill Lionheart
GeoGebra
New Resources
Open Middle Inscribed Angle Exercise (2)
INVESTIGATION - Linear solutions
Open Middle: Graphing Linear Inequalities (4)
Double Angle Trig Identity: Proof via Equal Areas
Simple Bridge (GeoGebra 3D Workshop)
Discover Resources
The value of Pi
Rectangles in an ellipse
Activity of Dignity.
day 81
Geometric Proof Of Multiplication Rule
Discover Topics
Cuboid
Symmetry
Prism
Tangent Line or Tangent
Upper and Lower Sum or Riemann Sum