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Author:
Chris Thomas
GeoGebra
New Resources
Triangle Exterior Angles: Quick Exploration
Lamp Shade
Difference of Two Squares
Drawing an Ellipse
Pen Holder
Discover Resources
Triangle Transformations Activity
Triangle Circumcenter
Tangent Angles
S1C10ACT02A Transversal Intersects Parallel Lines (Investigation)
Casey's angle 2
Discover Topics
Symmetry
Parallelogram
Parabola
Piecewise Functions
Sequences and Series