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

Eratosthenes' Method

Author:Brendan O'Donoghue
Topic:Angles
Tick the boxes in sequence to follow the method. Move the gnomons by clicking and dragging points A and B.

New Resources

  • Writing and Graphing Proportional Relationships (k>0)
  • Midpoint Theorem (V2): Integer Solutions
  • Rovnoběžnost rovin
  • Isosceles Right Triangle
  • Basic and Compound Inequality Illustrator

Discover Resources

  • Question 3
  • Geogebra Assignment #8 Q2 (Ben Lee)
  • ทะเลแสนงาม
  • การลบจำนวนเต็ม
  • Angles of Triangle

Discover Topics

  • Secant Line or Secant
  • Vectors
  • Geometry
  • Pythagoras or Pythagorean Theorem
  • Scatter Plot
AboutPartnersHelp Centre
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®