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Copy of Trig ratios and similar triangles.
Author:
wlin
,
Ted Coe
,
Ryan Smith
How is the sine ratio based on similar triangles?
GeoGebra
New Resources
探究由平行線和截線所成的角
Droste effect
Droste effect draft
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Variation Theory Parallelogram Proofs
Discover Resources
Rolling Hypocycloids
Discovering Geometry Lesson 7.2 Investigation 1
vector
สำเนาของ Trigonometry
Particle Polarity Exchanger V1.1
Discover Topics
Arithmetic Operations
Parametric Curves
Centroid or Barycenter
Congruence
Circle