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a triangle ABC cut into 2
Author:
Arthur Lee
Something special about this triangle
GeoGebra
Drag the vertices and find out what property of this triangle is unchanged. Try another one here:
http://www.geogebratube.org/material/show/id/58145
New Resources
Slope of a Straight Line: Run and Rise
Angles and Intersecting Lines: Quick Investigation
Drag that Point!
Teorema Japonês para quadriláteros inscritos em uma circunferência
Odd or Even
Discover Resources
Tessellation 2
EulerRekursion01
square
Median- Cade Joiner
Triangle example
Discover Topics
Normal Distribution
Integers
Scalene Triangles
Geometric Transformations
Tangent Function