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Triangle Properties
Author:
jlinseman
Move vertices and check to see how line segments DE and BC are related.
GeoGebra
New Resources
Angles and Intersecting Lines: Quick Investigation
Teorema Japonês para quadriláteros inscritos em uma circunferência
A retro cityscape with mathematics
Introduction
Parallel or Not? (V2)
Discover Resources
Definition of two parallel lines
Geometry Applets
Roots of Polynomial Functions Degree 3
Slope of Secant Line
Exploring the Area of a Triangle
Discover Topics
Ellipse
Mathematics
Quadratic Equations
Circumcircle or Circumscribed Circle
Division