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GeoGebra
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Sherlock Holmes' problem
Author:
spkwan
Take out the small square. Re-assemble the remaining pieces to form a quadrilateral.
GeoGebra
What is the secret?
How is the square piece 'lost'?
worksheet: Sherlock Holmes
wksht SherlockHolmes v5.pdf
GeoGebra
Curry's Paradox
worksheet: 64 vs 65
wksht 64vs65 v3.pdf
New Resources
Icosahedron1
Poorly Drawn Parallelograms 2
Tutorial: Create lists of numbers and objects
Thin Slice: Arc Length & Sector Area
Exploring the Area of a Triangle
Discover Resources
Start, Copy Segment
vector assignment
Mystery Tab 3
Jaring-jaring kubus
Surface de Lamé
Discover Topics
Median Line
Matrices
Planes
Tangent Function
Hypothesis Testing