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Altitude Symmetry
Author:
Esther Gruenhut
Topic:
Symmetry
GeoGebra
New Resources
Exploring Simple Loci 探究簡單軌跡
bearing HK
Shade a spheric triangle with "surface".
Rings of circles
探究由平行線和截線所成的角
Discover Resources
Opposite angles
Representations - Investigation 3
circular geoboards
Types of Angles
Example 10 page 79
Discover Topics
Sequences and Series
Probability
Line Segment
Division
Percentages