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

© 2023 GeoGebra

Leo Fogel

  • Triangle Proportionality Theorem

    Activity

    Leo Fogel

  • Properties of Parallelograms

    Activity

    Leo Fogel

  • Nine-Point Circle

    Activity

    Leo Fogel

  • Euler's Line

    Activity

    Leo Fogel

  • Properties of Parallelograms

    Activity

    Leo Fogel

  • Centers of a Triangle

    Activity

    Leo Fogel

  • Distance Formula

    Activity

    Leo Fogel

  • TEAC 880E

    Book

    Leo Fogel

  • Project-Linear Inequalities

    Activity

    Leo Fogel

  • Project-Adding and Subtracting Integers

    Activity

    Leo Fogel

  • Project-Dilation

    Activity

    Leo Fogel

  • MG-Segment Triangles - 2 Medians

    Activity

    Leo Fogel

  • MG-Nine Point Circle

    Activity

    Leo Fogel

  • MG-Tangents to the Circumcircle

    Activity

    Leo Fogel

  • MG-Segment Products

    Activity

    Leo Fogel

  • MG-Ptolemy's

    Activity

    Leo Fogel

  • MG-Pedal Triangles

    Activity

    Leo Fogel

  • MG-Euler's DS Thm

    Activity

    Leo Fogel

  • MG-Collinearity

    Activity

    Leo Fogel

  • H-Angle Sum of a Triangle

    Activity

    Leo Fogel

  • MG-Ceva's

    Activity

    Leo Fogel

  • MG-Brianchon's

    Activity

    Leo Fogel

  • H-Fractions and Attached Text

    Activity

    Leo Fogel

  • H-Slope Triangle

    Activity

    Leo Fogel