Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Sum of interior angles of triangle

Author:tgill, Arddhendu Shekhar Dash
Topic:Angles
You can change the angles to visualize that sum of angles of any triangle is 180 degrees.

New Resources

  • Pythagorean Theorem: Extension Exercises
  • Perpendicular Lines: Quick Exploration
  • גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
  • Untitled
  • Congruent Sides & Angles in △s: Exploration

Discover Resources

  • Hyperbolic Functions
  • Untitled
  • #90 Midpoints of reflected triangles
  • Reflection of Blue Hexagon About Red Circle 12/10/18
  • Reflection Over a Graph

Discover Topics

  • Equilateral Triangles
  • Plane Figures or Shapes
  • Fractal Geometry
  • Interest Calculation
  • Sphere
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®