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Circle Drawing Experiment

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Visit this site: http://mdbigg.me.uk/maths/circledrawing.html
Author:Thomas Denney
Description: Draw a figure on the grid by clicking and dragging. Upon release of the mouse button, this JavaScript calculates a "perfect circle" accuracy score by using the sketch's perimeter as the circumference of a perfect circle, and comparing its area to the area drawn freehand.
Levels: Elementary, Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Recreations, Web Interactive/Java
Math Topics: Conic Sections and Circles

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