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Greek Mathematics
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Demonstrations 1  20 of 82
Hirano's Construction of a Regular Pentagon
New this month
Proposition 7, Book XII, Euclid's Elements
Three Proofs of the Pythagorean Theorem
The Euclidean Algorithm and Simple Continued Fractions
Dudeney's Proof of the Pythagorean Theorem
Equality of a Segment and an Arc in Archimedes's Spiral
Nicomedes's Mechanism for Constructing a Conchoid
Primitive Pythagorean Triples on a Curvilinear Grid Defined by Euclid's Formula
Archimedes' Approximation of Pi
Antikythera Mechanism
The Eratosthenes Machine for Finding the Cube Root of Two
Trisection by Sliding a Line
Pascal's Angle Trisection
Solve the Loculus of Archimedes
Hippopede of Eudoxus
Areas of the Lens and Two Lunes of Two Intersecting Circles
Primitive Pythagorean Triples 4: Ordered Tree Matrices
Euclid's Construction of a Regular Icosahedron (XIII.16)
The Spiral of Theodorus
Generalized Pythagoras Theorem
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