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平面鏡成像 Plane Mirror
Author:
Alex CHIK
Drag the grey/ red points to change positions of the object. Drag the black point to change source of light.
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
Shade a spheric triangle with "surface".
bearing HK
探究由平行線和截線所成的角
aperiodic monotile construction_step by step
Lorenz Attractor: Multiple particles
Discover Resources
Square Root Value using Graph of a Quadratic Equation
Reflections Investigation
MCV4U
Isosceles Triangle
Equilateral Triangle on 3 Concentric Circles
Discover Topics
Power Functions
Polygons
Translation
Plane Figures or Shapes
Logic