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Peter's Instrument?
Author:
Jeff Pettit
GeoGebra
New Resources
探究長方形對角線上的正方形數目
Constructing the Midpoint and the Perpendicular Bisector of a Segment
bewijs stelling van Pythagoras
Example of using color palette
Constructing the Perpendicular Line Through a Point on the Line
Discover Resources
MY Ellipse Lab
Refraction Snell 4
Triangle project 2.0
Stef doodle
focus and directrix
Discover Topics
Solids or 3D Shapes
Parallelogram
Pyramid
Integral Calculus
Probability