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Lesson Example
Author:
Lew W. S.
Orchid Park Secondary School
http://plinmaths.blogspot.sg/2014/03/lesson-showcase.html
New Resources
Calculating Arc Length, Radius, and Central Angle
End Behavior of Polynomial Functions
Rossler's Attractor
Linear Combination of Vectors
Laundry Basket
Discover Resources
Spiral
isosceles triangle investigation
Geogebra sample
割圓術 Liu Hui's π algorithm (Simplified)
Standing waves on a guitar string
Discover Topics
Symmetry
Similarity Transformation or Similarity
Secant Line or Secant
Equations
Combinatorics