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Fascinating Flat Facts about Phi

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Visit this site: http://www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/phi2DGeomTrig.html

Author:Ron Knott
Description: Phi and two-dimensional geometry - constructing the golden section: phi, Phi; Phi and the root-5 rectangle; the shape of a piece of paper; Phi and the pentagon triangles; Penrose tilings; a rectangle/triangle dissection problem; the Golden Spiral; trigonometry and Phi - graphs, angles.

Levels: Middle School (6-8), High School (9-12), College
Languages: English
Resource Types: Manipulatives
Math Topics: Golden Ratio/Fibonacci, Euclidean Plane Geometry, Constructions, Topology

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