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Proof Without Words

Author:Rebecca Pike, Steve Phelps
Drag the points. What do you notice? What does this prove? How does this prove it?

New Resources

  • Segment Addition Postulate (Mild Questions)
  • Modifiable Right Triangular Prism
  • Rotating Custom Polygons Around an Axis
  • Deciding How New Information Affects Probability
  • Midpoint Theorem (V2): Integer Solutions

Discover Resources

  • ellipse kitten
  • Osculating Circle to Function Graph
  • correlation q1
  • Proof without words : Steiner'ellipse of a triangle
  • tangent example

Discover Topics

  • Real Numbers
  • Pyramid
  • Terms
  • Trigonometry
  • Rational Numbers
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