Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Points of Concurrency in a Triangle
    1. Circumcenter of a Triangle
    2. Incenter of a Triangle
    3. Centroid of a Triangle
    4. Altitudes & Orthocenter

Points of Concurrency in a Triangle

Author:Sarah Marsh
Topic:Centroid or Barycenter, Geometry, Orthocenter
An investigation into the circumcenter, incenter, centroid, and orthocenter of a triangle.

  • Circumcenter of a Triangle

  • Incenter of a Triangle

  • Centroid of a Triangle

  • Altitudes & Orthocenter

Next
Circumcenter of a Triangle

New Resources

  • Segment Addition Postulate (Mild Questions)
  • Pythagorean Theorem: Extension Exercises
  • Linear Equation Graphs: Thin Slice
  • Midpoint Theorem (V2): Integer Solutions
  • Midpoint Theorem Questions: Mild

Discover Resources

  • Euclid Book 1 Proposition 4
  • Parallel & Perpendicular Line Construction Extensions
  • Slider-crank Mechanisms
  • bisect an angle
  • geometry1

Discover Topics

  • Rational Numbers
  • Derivative
  • Limits
  • Pythagoras or Pythagorean Theorem
  • Logic
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

© 2026 GeoGebra®