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Proof Without Words
Author:
Steve Phelps
Topic:
Pythagoras or Pythagorean Theorem
Drag the points. Drag the slider. What do you notice? What does this prove? How does this prove it?
GeoGebra
New Resources
alg2_05_05_04_applet_exp_fxn_flvs
Construct a Conic
探究由平行線和截線所成的角
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Poorly Drawn Parallelograms 2
Discover Resources
Higher Maths ~ Unit 1 ~ 1994 Paper2 Q7
Working With Concave Lense
Concurrencies
เรือเล็กออกจากฝั่ง
Derivative of a Constant Function
Discover Topics
Interest Calculation
Algebra
Reflection
Special Points
Diagrams