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Ruler
Author:
Eduardo Neto
,
Anthony OR 柯志明
Drag the ruler to move. Drag the red point to rotate. Use the slider to adjust the length.
GeoGebra
Anthony Or GeoGebra Institute of Hong Kong
New Resources
Curves
An Apple a Day...
Nobody Likes to Be a Semicircle
A Happy Polar Leaf
Bessel Function
Discover Resources
Explore These Nets and their solids
Reflect Y
การลบจำนวนเต็ม
Wave
Generating an extreme arrangements of points on a circle
Discover Topics
Quadratic Equations
Rotation
Parallelogram
Tangent Line or Tangent
Terms