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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
z`]]
JLA Eri Chan
Ogee Arch - Construction
apec
bewijs stelling van Pythagoras
Discover Resources
Newton Principia - Lemma VII (and VIII)
Ambiguous Case 4
Discharging a Capacitor
Zigzag
Lesson 11 Cool Down: What Went Wrong? Reflection
Discover Topics
Histogram
Matrices
Trigonometric Functions
Orthocenter
Fractal Geometry