GeoGebra
  • Create Lesson
GeoGebra
  • Triangles: Points of Concurrency
  • Prerequisites
  • Dynamic Illustrations (no words or data)!
  • Applets with Numerical Data

Triangles: Points of Concurrency

Author:
Sharri Sandler, Tim Brzezinski
Topic:
Geometry, Triangles
Circumcenter, Orthocenter, Centroid, Incenter, Perpendicular Bisectors, Altitudes, Medians, Angle Bisectors
Triangles: Points of Concurrency

Table of Contents

  • Prerequisites

    • Triangle Altitude Illustrator and Definition Writing Prompt
    • Perpendicular Bisector Definition
    • Perpendicular Bisector Definition
    • Angle Bisector Definition (I)
    • Triangle Median Illustrator & Definition Writing Prompt
  • Dynamic Illustrations (no words or data)!

    • Circumcenter & Circumcircle Action!
    • Incenter & Incircle Action!
    • Medians and Centroid Dance
    • Incenter + Incircle Action (V2)!
    • Medians & Equal Areas!
  • Applets with Numerical Data

    • Lines Containing Altitudes of a Triangle (V1)
    • Orthocenter (& Questions)
    • Circumcenter (& Questions)
    • Medians Centroid Theorem (Proof without Words)
    • Incenter Exploration (B)
    • Triangle Medians: Quick Investigation
Next
Triangle Altitude Illustrator and Definition Writing Prompt

New Resources

  • Chapter-35-1: Integral
  • A2_6.02 Evaluating trigonometric functions_1
  • G_11.01 Radians, arc length and sector area
  • A2_4.01 Polynomial functions
  • Transformations

Discover Resources

  • Programme de construction d'un triangle
  • Primality and Prime Factorization
  • Islamic Pattern Hana 2b
  • Untitled
  • circumcenter Brody Roberts

Discover Topics

  • Poisson Distribution
  • Correlation
  • Sphere
  • Curve Sketching
  • Centroid or Barycenter

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