Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Aristarchos' half moon

Author:A. G. Gomez (agg29@ou.ac.uk)
Illustration of Gomez's VA theory on the origin of Aristarchos' 87° angle.

New Resources

  • Using Experimental Probability to Estimate π - Monte Carlo Method
  • Tetrahedron String Art
  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
  • Double Rodin Coil Style Torus
  • Visualizing the Pythagorean Identity with Sine and Cosine

Discover Resources

  • centroid construction correction
  • Leah Pearse - Congruence Postulates
  • Label the Heart
  • PI...
  • EM 2015 P1 Q14

Discover Topics

  • Random Variables
  • Hypothesis Testing
  • Correlation
  • Planes
  • Right Triangles
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®