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GeoGebra
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Golden Rectangles and Golden Spirals
Flip 9 Coins
A note on Erdős’s mysterious remark
International Day of Mathematics 2025
Flip 4 Coins
Discover Resources
Use transformations to show the rectangle is golden.
Computational Geometry
INZENTROA
KSSMF4MATHS-MS01
Discover Topics
Reflection
Similarity Transformation or Similarity
Linear Equations
Difference and Slope
Poisson Distribution