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start, create a 135 degree angle

Author:3082015

New Resources

Shells
Reflection = 180° Rotation about a Line
Triangle with 3 Right Angles
Reflection across a line
Circle Passing Through 3 Points

Discover Resources

calc1_2_6_Ex28
G.GGPE.7 Workbench for Area of Triangles
Magic Three Times Tables
Borel 2
探究長方形對角線上的正方形數目

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Median Line
Reflection
Poisson Distribution
Scatter Plot
Linear Equations

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