The ancient Greeks introduced many construction problems that were to be solved using only a straightedge and compass. These limitations still apply to many constructions that are part of today’s geometry courses.
One half of the dragon face is created by placing the center of a compass at various locations on a Cartesian coordinate grid and striking designated arcs. The other symmetrical half of the face is completed by reflecting all the arcs across a vertical line of symmetry.
These geometric concepts are applied not only in Chi Hi’s Geometry courses, but are also used to stimulate student interest in our Survey of Math and Living Mathematically courses.
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