Miscellaneous Sketches: Conics, Pythagorean Theorem...
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Key Curriculum Press  
Sketches: describing the relationships of parabola, hyperbola, and ellipse from an eccentricity point of view; four ways to demonstrate (manipulate) Pythagorean theorem  shear & rotation, shear & translation, similarity, and tessellation; studying the parameter effects of function y=ax^2+bx+c in a "variable" coordinate system; a way to trace out a parabola; Rolling Rouleaux Triangle  change its size and shape, and observe as it rolls along a plane; inversion in a circle; construction of a regular 17gon; Bezier Curve Sketch and Bicubic Bezier Patch; Stewart's Theorem.  


Levels:  Middle School (68), High School (912), College 
Languages:  English 
Resource Types:  Documents/Sketches/Galleries, Geometer's Sketchpad 
Math Topics:  Euclidean Plane Geometry, Symmetry/Tessellations 
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