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GeoGebra
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GeoGebra
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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
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Blancmange curve (fractal)
What is an Isogonal Conjugate?
Quiz: Finding Average Rate of Change
Poorly Drawn Parallelograms
Discover Resources
testGeogebraBefehlinJavascript
the volume of a triangular prism
Angry birds 1
Solving System of Equations Substitution
Plotting in 3D
Discover Topics
Ellipse
Congruence
Triangles
Exponential Functions
Rotation