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圓心角與圓周角的關係
Author:
Y.W. Liu
New Resources
Square Construction Template (1)
Square Construction Template (2)
Rectangle Construction Template
Is It Prime?
Open Middle: Bearings Exercise
Discover Resources
Theorem 2
Euler line
properties of a rhombi
Interior vs. Exterior
Quadratic Equation: Complex Roots
Discover Topics
Right Triangles
Derivative
Subtraction
Sine
Trigonometry