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Pentagram Construction

Author:Jonathan Garfield

The pentagram construction

New Resources

Area of a Circle Illustrated
The Gardener's Ellipse
Untitled
Sum of Squares: Proof without Words
Rectangle Construction Template (V2)

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Quadratic Surfaces
Circles
GREAT
Contrasting Chords in Different Temperaments
Triangle Sum Theorem

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Polynomial Functions
Equilateral Triangles
Indefinite Integral
Perimeter
Quadrilaterals

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