GeoGebra
GeoGebra
  • Home
  • News Feed
  • Resources
  • Profile
  • People
  • Classroom
  • App Downloads
About GeoGebra
Contact us: office@geogebra.org
Terms of Service – Privacy – License

© 2023 GeoGebra

Quadrilateral example

Author:
Ryan Smith
Draw a quadrilateral and determine the sum of the four interior angles

What is the sum of the four interior angles of a quadrilateral?

New Resources

  • Minimalist Chair
  • Slopes of Parallel and Perpendicular Lines - Discovery & Assessment: Quick Demo
  • Parabolid e Cilindro
  • tubulação 2a
  • Graphing Sinusoidial Functions (All Transformations)

Discover Resources

  • Role ofa,b and c in general equation of a line ax+by+c=0
  • Unfinished Box Sketch with Volume Graph
  • Translations Shape 1
  • Partial Fraction Decomposition
  • Use the Segment Addition Postulate

Discover Topics

  • Random Experiments
  • Sequences and Series
  • Cone
  • Right Triangles
  • Statistics

GeoGebra

  • About
  • Partners
  • GeoGebra on Tests
  • News Feed
  • App Downloads

Apps

  • Calculator Suite
  • Graphing Calculator
  • 3D Calculator
  • CAS Calculator
  • Scientific Calculator

Resources

  • Classroom Resources
  • Learn GeoGebra
  • Classroom
  • Geometry
  • Notes
  • Terms of Service Privacy License
  • Facebook Twitter YouTube