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GeoGebra
Find Scale Factor Ruler
Author:
Julie Stoker
,
Anthony OR 柯志明
,
GeoGebra Institute of Hong Kong
Drag the ruler to move. Drag the red point to rotate. Use the slider to adjust the length.
Anthony Or Education Bureau, Hong Kong
New Resources
Array of dots
Opposite angles of Cyclic Quad
Slices of an Icosahedron
Solar System with 3D Coordinates
Rectangle Problem
Discover Resources
Trig Functions
Quiz on Mid-point 中點：測驗
ProjRotation,Dialation,reflection
Morin et Apéry
Volume da Pirâmide
Discover Topics
Reflection or Reflexion
Centroid or Barycenter
Polygons
Set Theory
Ratios
