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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?
GeoGebra
New Resources
Slope Field (1)
Angles and Intersecting Lines: Quick Investigation
van Aubel's Theorem
Simplifying Radicals: Geometric Thin Slice
Isosceles Triangle: Quick Construction
Discover Resources
Secant Segments
Proposition 3.17
QR4-04-CYU1 (Graphing parabolas in standard form using vertex form)
Vector Equation of a Line in 2D
Representing Contexts with Equations: IM 7.5.16
Discover Topics
Coordinates
Vectors
Division
Algebra
Right Triangles