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The sum of the angles of a quadrilateral
Author:
Daniel Mentrard
Topic:
Angles
,
Quadrilaterals
update of my 2009 file (old GUM)
GeoGebra
New Resources
Circle Passing Through 3 Points
bewijs stelling van Pythagoras
Pitfalls of Disk/Washer Method
Reflection = 180° Rotation about a Line
Locus Related to Descartes' Folium
Discover Resources
DynamicColor
Multiple reflections
Vertical Shift
metaiperbole
Perpendicular Bisector
Composition of Transformations
MATH171_2_6_13
Discover Topics
Right Triangles
Exponent
Quadratic Functions
Real Numbers
Normal Distribution