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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
Slope Field (1)
Rose Curve - A Classical Construction
Simplifying Radicals: Geometric Thin Slice
Piano. Keyboard.
Isosceles Triangle: Quick Construction
Discover Resources
Angle measurement
CCSS HS: Algebra (Reasoning with Equations & Inequalities)
Sine vs Cosine Exploration for A Right Triangle
Table View
Leg Press Geometry
Discover Topics
Differential Calculus
Exponent
Arithmetic
Mathematics
Cuboid