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Petlach Pencil Holder Demo
Author:
Al Petlach
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New Resources
Interior and Exterior Angle Sum of a Triangle
Artwork by Daniel Linus Torres
G_11.04 Inscribed angles and polygons
G_8.07 Area of triangles
G_11.06 Lengths in intersecting chords, secants, and tangents
Discover Resources
Two Triangles
Residual Plot
The net of a triangular prism
Reflections in the Coordinate Plane
Cantor Dust (4th Level)
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Statistics
Circle
Constructions
Logic
Solids or 3D Shapes