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Proof Without Words
Author:
Steve Phelps
Topic:
Parallelogram
,
Pythagoras or Pythagorean Theorem
Drag the points. Drag the slider. What do you notice? What does this prove? How does it prove?
GeoGebra
New Resources
Tutorial: Create lists of numbers and objects
Poorly Drawn Parallelograms 2
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Exploring the Derivative of an Exponential Function
Dissections by Guillermo Bautista
Discover Resources
TabletextAlignIssues
Geometric Mean Madness! (GoGeometry Action 84)
regular pentagon
Fraction Div by Fraction < 1 Common Denominator Idea
พื้นผิวในปริภูมิสามมิติ
Discover Topics
Percentages
Trapezoid
Differential Equation
Scalene Triangles
Curve Sketching