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Circles and PiStep

Thales' Theorem

Proof using isosceles triangles

Combines all of Euclidean Geometry

TODO

Full Course
Popular Courses
Intermediate – Circles and Pi
Spheres, Cones and Cylinders
Intermediate – Sequences and Patterns
Fibonacci Numbers
Intermediate – Graphs and Networks
The Bridges of Königsberg
Advanced – Fractals
The Mandelbrot Set