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Demonstrations 761  780 of 882
Intersecting Chords Theorem
Opposite Angles of a Quadrilateral in a Circle
Learning the Arabic Alphabet
Direct Rule Control for 3,3 Turing Machines
Newton's Ellipse
The Primes Are Infinite
Precision Error
Airplanes and Crosswinds
Ship Sailing over the Horizon
Circles & Triangles
Spherical Pendulum
Pythagorean Analogs for Similar Triangles
Zipf's Law Applied to Word and Letter Frequencies
Pythagorean Means
An Automated Barrier
Model of a Firefly Swarm
A Face from Words
AC Induction Motor Rotor Design
Sputnik 1 Orbiting the Earth
Enigmatic Comet Holmes
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