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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
分數化百分數：練習
Hypocycloids
רישום חופשי
Tangent in Cartesian and Polar Coordinates
Adding Decimal Numbers and Shortest Path Strategies
Discover Resources
isosceles trapezoid
Make a Triangle?
Untitled
Circle Theorem 1 - Angle at the Centre
Discover Topics
Rotation
Linear Equations
Arithmetic
Perimeter
Tangent Function