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Безымянный
Author:
lika.koroljova
GeoGebra
New Resources
Ellipse, Hyperbola and Circle as Envelopes
Viviani's Window
Slope of a Straight Line: Run and Rise
Angles and Intersecting Lines: Quick Investigation
"Compressed" Astroid as Envelope
Discover Resources
Inverzija
Efinck5
Lesson 3-2
A Matteson Circumcircle
QUADRILATERAL FORM WITH MID POINT OF THE SIDES OF ANY QUADRILATERAL IS A PARALLEOGRAM