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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
Bottema's Theorem
van Aubel's Theorem
Rotating Points (Optical Illusion)
Introduction
Teorema Japonês para quadriláteros inscritos em uma circunferência
Discover Resources
Pinhole camera modelling
رسم توضيحي للمسألة 3 ص 148 تحاكي
Senior Mathematics
Solving Quadratic Equation
ICOSAEDRU
Discover Topics
Rectangle
Optimization Problems
Geometry
Expected Value
Quadratic Functions