A directory of useful objects found on the web for teaching Maths.
http://thewessens.net/ClassroomApps/Main/spirolaterals.html?topic=geometry&id=10
Design, Interactive, Publisher, The Mathenæum, Recreational Mathematics
An interactive for exploring spirolaterals.
The base pattern is formed by by drawing line segments of increasing length (in integer units) up to a particular size, turning a fixed angle after each segment (clockwise or anti-clockwise).
15 August 2015 Edit: 15 August 2015
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