Video, YouTube

Alexander Overwijk draws a perfect freehand circle 1m in diameter in less than a second.

17 March 2013 Edit: 25 February 2014

Space and GeometryCircles
Content Type:
New NSW K-10 Syllabus for the Australian Curriculum:
Measurement and GeometryMA4-16MG Right-Angled Triangles (Pythagoras)
NSW Stage 6 Mathematics and Extension 1:
2 Plane Geometry2.7 E Definitions of terms related to circles.


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