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Rotate 1
Author:
Gerard Marrone
GeoGebra
New Resources
探究由平行線和截線所成的角
Variation Theory Parallelogram Proofs
Dissections by Guillermo Bautista
Poorly Drawn Parallelograms 2
alg2_05_05_01_applet_exp_2_flvs
Discover Resources
locus teacher version 1
Transversals
Kite Template (Scaffolded Investigation)
Simulation of a human lung over time
Errors in Measurement 量度的誤差
Discover Topics
Orthocenter
Correlation
Mode
Arithmetic Mean
Scalene Triangles