GeoGebra
  • Create Lesson
GeoGebra
  • Home
  • News Feed
  • Resources
  • Profile
  • People
  • Classroom
  • App Downloads
About GeoGebra
Contact us: office@geogebra.org
Terms of Service – Privacy – License

© 2022 GeoGebra

Bertoia Rectangles

Author:
John Golden
Topic:
Rectangle
Saw this lovely sculpture by Harry Bertoia and had to try to make it. I wanted the 2nd rectangle to be congruent, and have one control, but it is not super-intuitive. A, B and C start in the XY plane, and E, free in 3D, controls the rotation of the congruent rectangle.
Image

New Resources

  • Apple Demo 2022
  • Open Middle: Linear Function to Cone
  • Bar Graph
  • Prime and Composite Numbers
  • Tutorial RDWorks para iniciantes (em inglês)

Discover Resources

  • Determine the equation
  • RickerType3_Fourier
  • Gradient of Straight Line Equation?
  • Geometry
  • Ezaaaahat

Discover Topics

  • Rotation
  • Cylinder
  • Standard Deviation
  • Conditional Probability
  • Diagrams

GeoGebra

  • About
  • Partners
  • GeoGebra on Tests
  • News Feed
  • App Downloads

Apps

  • Calculator Suite
  • Graphing Calculator
  • 3D Calculator
  • CAS Calculator
  • Scientific Calculator

Resources

  • Classroom Resources
  • Learn GeoGebra
  • Classroom
  • Geometry
  • Notes
  • Terms of Service Privacy License
  • Facebook Twitter YouTube