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Problem 18
Author:
Keith Sands
GeoGebra
New Resources
alg2_05_05_04_applet_exp_fxn_flvs
探究由平行線和截線所成的角
Poorly Drawn Parallelograms
Variation Theory Parallelogram Proofs
Blancmange curve (fractal)
Discover Resources
RoseVent
Reflections Investigation Activity
sample notes
Step 3b
circumcenter
Discover Topics
General Quadrilateral
Logarithmic Functions
Stochastic Process or Random Process
Intersection
Variance