Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Angles
    1. Investigating Angles in Parallel Lines
    2. Triangle Angle Theorems
    3. Vertically opposite angles are equal
    4. Triangle Angle Sum Theorem

Angles

Author:Jamie Redmayne

  • Investigating Angles in Parallel Lines

  • Triangle Angle Theorems

  • Vertically opposite angles are equal

  • Triangle Angle Sum Theorem

Next
Investigating Angles in Parallel Lines

New Resources

  • Transformaciones usando coordenadas
  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
  • The Red Chair
  • seo tool
  • အခြေခံ data အခေါ်အဝေါ်များ

Discover Resources

  • Mijn collectie
  • Unit 10 sketch
  • SPAIN - Πυθαγόρειο θεώρημα (παρουσίαση)
  • Euclid's Pythagorean Proof
  • final circle

Discover Topics

  • Pythagoras or Pythagorean Theorem
  • Sequences and Series
  • Step Functions
  • Similarity Transformation or Similarity
  • Tree Diagrams
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

© 2025 GeoGebra®