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Exterior Angles
Author:
John Golden
Topic:
Angles
Carmel Schettino was asking about exterior angles on a polygon, and there are way slicker applets (see
Twitter thread
), but I liked the idea of having concave and non-polygons that cross themselves. So... here you go!
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Introduction
Ellipse as Envelope - Correspondence Method
Construct a Square
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van Aubel's Theorem
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Patterns in Pascal's triangle
Percentage Visual
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spiral
NTI Water Park Project
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