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Wrong Feuerbach #2
Author:
Balazs Koren
What is wrong with this Feuerbach circle? how can you correct it?
GeoGebra
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History of Maths
Bottema's Theorem
cylinder net slider
Pelecoid
Linear Cross Section Exercise
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Optimization: Fence Problem 1
Sphere
Differentiation from First Principles
unit circle now
vertically opposite angles
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Frequency Distribution
Hypergeometric Distribution
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Geometric Mean
Rectangle