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GeoGebra
GeoGebra Classroom
Outline
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
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 Exploration
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
Quiz: Finding Average Rate of Change
Variation Theory Parallelogram Proofs
Average Rate of Change: Graph a Function (1)
Shadow of a Cube (v2)
Dodecahedron
Discover Resources
Polynomial Factors
polygon polygon
penta
y=ax^2 + bx + c
Interactive box plot
Discover Topics
Algebra
Conditional Probability
Function Graph
Scalene Triangles
Median Line