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CharlesLighthouse
Author:
Charles Lohr
New Resources
Reflection = 180° Rotation about a Line
Exploring GeoGebra for the First Time
רישום חופשי
apec
bewijs stelling van Pythagoras
Discover Resources
Predicting Temperatures
start, create a 135 degree angle
Háromszög szögeinek összege
homework
Discover Topics
Differential Equation
Symmetry
Geometric Mean
Ellipse
Combinatorics