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Chapter 1
Author:
Gail Hamilton
New Resources
Supplementary Angles
Angles and Intersecting Lines: Quick Investigation
Linear Cross Section Exercise
Drag that Point!
"Compressed" Astroid as Envelope
Discover Resources
Simple tessellation
Multiplication II
circle
Untitled
凸多邊形的外角和
Discover Topics
Random Experiments
Similar Triangles
Parametric Curves
Trigonometric Functions
Trigonometry