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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
Vector Projections
Marion's Theorem
Dividing a 3-digit number by a 1-digit number (1)
GeoGebra Notes
Dividing a 3-digit number by a 1-digit number (2)
Discover Resources
Opposite Angles
Vertical and Horizontal Shifts
Kevin Klemm
Simple triangle with vectors
Sin'
Discover Topics
Dilation
Sequences and Series
Coordinates
Conic Sections
Intersection