Search

Outline

  1. CCSS.MATH.CONTENT.HSG.CO.C.9
    1. Vertical Angles Theorem
    2. Alternate Interior Angles and Corresponding Angles

CCSS.MATH.CONTENT.HSG.CO.C.9

Author:Ellen Barbaresso
This is a GeoGebraBook that proves the theorems about lines and angles.

  • Vertical Angles Theorem

  • Alternate Interior Angles and Corresponding Angles

Next
Vertical Angles Theorem

New Resources

  • רישום חופשי
  • Fractal Tétraèdre. Dilatation -1/2 centre triangles
  • bewijs stelling van Pythagoras
  • The Gardener's Ellipse
  • Graph of Slopes of Tangent Lines

Discover Resources

  • Vector Basics
  • PacMazeDakota
  • Quadratic Equation Translations
  • Linear equations 2

Discover Topics

  • Angles
  • Centroid or Barycenter
  • Straight Lines
  • Dilation
  • Cube
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®