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All 4 centres coincide
Author:
Ivan Chan
GeoGebra
New Resources
Mapping Rectangles into Discs
Open Middle: Graphing Linear Inequalities (1)
Open Middle Inscribed Angle Exercise (2)
Open Middle Arc Length Exercise
Umbrella Holder
Discover Resources
Shape & Space
Perpendicular
Main
Perpendicular line
AM 2016 P2 Q11
Discover Topics
Tangent Line or Tangent
Trapezoid
Natural Numbers
Hypothesis Testing
Limits