GeoGebra
GeoGebra
  • Home
  • News Feed
  • Resources
  • Profile
  • People
  • Classroom
  • App Downloads

Postulate 4

Author:
Mathew Purser

Postulate 4

That all right angles equal one another. Since the definition of a right angle says when two lines interest and the angles formed are equal, this means that all right angles are equal. Easy Peasy

New Resources

  • Transforming Quadratic Function Graphs: Discovery Lesson
  • Angles in Parallel Lines
  • ESSENTIAL KNOWLEDGE 2.12.A.1
  • Vertical Pairs and Linear Pairs
  • Philippine Abaniko

Discover Resources

  • Graphing Quadratic Equations - Practice Exam
  • שיפוע של ישר
  • mathematics
  • Exploring Linearity
  • dot product

Discover Topics

  • Differential Equation
  • Piecewise Functions
  • Fractions
  • Natural Numbers
  • Parallelogram
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

© 2023 GeoGebra®

Contact us: office@geogebra.org