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day 109
Author:
dane.ehlert
GeoGebra
New Resources
巧算長方形周界
Open Education 2026
Perimeter of a Rectangle with Unknown Sides
רישום חופשי
bewijs stelling van Pythagoras
Discover Resources
equal area triangle
hex用（点なしバージョン）2.01
Circle Theorem 6 - Tangents from a Point to a Circle
Changing the Vertex: IM Alg1.6.17
Discover Topics
Rotation
Curve Sketching
Expected Value
Line Segment
Linear Regression