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Author:
Kathy Pieper
New Resources
Pitfalls of Disk/Washer Method
seo tool
Reflection = 180° Rotation about a Line
Untitled
Exploring GeoGebra for the First Time
Discover Resources
Derivative of f(x)=cosx
Angles2
Parallel Lines and Transversals
伐里農定理伸延形式：「旋轉1 : n」之幾何規律
Angle of Rotation (3)
Discover Topics
Real Numbers
LCM and GCD
Hypergeometric Distribution
Pythagoras or Pythagorean Theorem
Congruence