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frise4-Kiet
Author:
leanhkiet2
GeoGebra
New Resources
Reflection across a line
Reflection = 180° Rotation about a Line
seo tool
Making New Year's resolutions for 2026
Exploring GeoGebra for the First Time
Discover Resources
sinus, cosinus
Angle pairs with parallel lines
Area and perimeter of rectangle -- fixed area
Circumcenter
SAS Similarity
Discover Topics
Geometry
Ratios
Trapezoid
Subtraction
Pyramid