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Thales' theorem
Author:
Irina Vasilescu
Watch carefully and answer the questions!
GeoGebra
New Resources
函數的單調性
Area Between Two Curves
函數的奇偶性
From Polar to Cartesian Coordinates
bewijs stelling van Pythagoras
Discover Resources
Parallel Lines. Change the point and the line.
Experiment with Ax + By = C
Start, Perpendicular to point on line
Number of regions formed by cutting a circle A000127
Proof of Pythagoras' theorem (Henry Perigal)
Discover Topics
Matrices
Algebra
Root
Cosine
Tree Diagrams