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

© 2021 GeoGebra

"proof" of the triangle sum theorem

Author:
Zawierucha, Duane Habecker
This applet shows that the sum of the interior angles for ANY triangle is 180°.

New Resources

  • غلق درس ايجاد محيط دائرة لحل مسائل
  • CARTOON CHARACTER
  • Üçgen Dik Prizma
  • Rhombicosidodecahedron (V=60) from Biscribed Pentakis Dodecahedron for the case of trisection of its 8st order segments
  • TH Plane

Discover Resources

  • Lesson 5.2 - Bisectors in a Triangle
  • NA - 7 Intersecting Chord Theorem (Outside)
  • AHG Normal Distribution of MPG & Weekly Cost
  • day 65
  • H3.7(1)

Discover Topics

  • Histogram
  • Complex Numbers
  • Cylinder
  • Bar Chart or Bar Graph
  • Rational Numbers

GeoGebra

  • About
  • Partners
  • Testing
  • News Feed
  • App Downloads

Apps

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

Resources

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