GeoGebra
Sign in
  • Resources
  • Favorites
  • Timeline
  • People
  • Groups
GeoGebra
  • Home
  • News Feed
  • Resources
  • Profile
  • People
  • Classroom
  • App Downloads
About GeoGebra
Contact us: office@geogebra.org
Terms of Service – Privacy – License

© 2022 GeoGebra

Ted Courant

  • Dynamic Pythagorean Theorem

    Activity

    Ted Courant

  • Pythagorean Theorem Animated II

    Activity

    Ted Courant

  • Animated Pythagorean Theorem

    Activity

    Ted Courant

  • Cube Puzzle Solution

    Activity

    Ted Courant

  • nephroidWithTangents

    Activity

    Ted Courant

  • cardioidWithPerpendicularTangents

    Activity

    Ted Courant

  • k-Cycloid with inscribed (k-1)-gon

    Activity

    Ted Courant

  • Envelope of a Family of Lines

    Activity

    Ted Courant

  • Congruent Segment Surprise

    Activity

    Ted Courant

  • Arbelos Chain

    Activity

    Ted Courant

  • Constant Ratio in Intersecting Circles

    Activity

    Ted Courant

  • Equal Regions Surprise

    Activity

    Ted Courant

  • Dynamic Pythagorean Theorem

    Activity

    Ted Courant

  • Region Common to Two Circles

    Activity

    Ted Courant

  • Rectangle and Diagonal Triangle Area Problem

    Activity

    Ted Courant

  • Angle Bisector Surprise

    Activity

    Ted Courant

  • Midline Surprise

    Activity

    Ted Courant

  • Lunes of Antiquity

    Activity

    Ted Courant

  • Midline Theorem

    Activity

    Ted Courant

  • Spiraling Squares

    Activity

    Ted Courant

  • SSS Triangle Solver

    Activity

    Ted Courant