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Author:
รุ่งนภา สรรพศรี
GeoGebra
New Resources
Exploring the Derivative of a Quadratic Function
Poorly Drawn Parallelograms 2
Variation Theory Parallelogram Proofs
Shadow of a Cube
alg2_05_05_01_slider_practice_flvs
Discover Resources
Secant to Tangent
Similar Triangles (AAA)
Three Phase - Animated Phasor vs. Sinewave Relationship
Infinities and interactives tesselations
Falling apple (Newton apple?) Sabin Ro
Discover Topics
Difference and Slope
Linear Functions
Polygons
Reflection
Piecewise Functions