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Author:Cecilia Russo

New Resources

Thales' Intercept Theorem
Proving Triangles Similar: Multistep Transformations
Portions of a Sphere
Inversión esférica de nudos: el nudo trébol y el nudo ocho
Quadratic Equations: the Geometry of the Relationships Between the Coefficients and the Solutions

Discover Resources

Geo-Vince
Beeman
Triangle Sum Theorem
The functions sin x, cos x and tan x
GeoGebra Geometry App: Beginner Tutorials with Lesson Ideas

Discover Topics

Indefinite Integral
Pythagoras or Pythagorean Theorem
Hypothesis Testing
Exponential Functions
Tree Diagrams

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