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®

Triangle Explorer

Author:
Jan Mays
Move the vertices (points) to change the angles. Move the sliders to change the length of the sides.
Which side lengths make a triangle? What do you notice about the sum of the angles of each triangle?

New Resources

  • ESSENTIAL KNOWLEDGE 2.4.A.1
  • Rolling two dice simultaneously - Sum of values - Exploration+Practice
  • Transforming Square Root Function Graphs: Discovery Lesson
  • Midpoints
  • Building Thinking Classrooms Automated Grading Rubric

Discover Resources

  • Sample Size for Population Proportion
  • Pyramid x 3 --> Cube
  • JessicaMcEvoyParallellinesandtransversals
  • เรือ
  • Interactive Unit Circle

Discover Topics

  • Frequency Distribution
  • Cone
  • Geometry
  • Parallelogram
  • Root

GeoGebra

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

Apps

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

Resources

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