Compass-and-straightedge construction, also known as ruler-and-compass construction or classical construction, is the construction of lengths, angles, and other ...
A brief introduction to constructions - creating various geometric objects with only compasses and straightedge or ruler. History and origins
Warning: this comic occasionally contains strong language (which may be unsuitable for children), unusual humor (which may be unsuitable for adults), and advanced ...
A compass is a technical drawing instrument that can be used for inscribing circles or arcs. As dividers, they can also be used as tools to measure distances, in ...
Constructing an angle bisector using a compass and straightedge; Compass constructions 1; Next section: Constructing regular polygons inscribed in circles
Compass and Straightedge I include here both pages about the classical Greek compass-and-straightedge style of construction, other topics involving Greek ...
A compass and straightedge construction is the provable creation of a geometric figure on the Euclidean plane (or complex plane) such that the figure is created using ...
Compass and Straightedge on Scratch by fullmoon ... This one's for you, Mr. Nyberg! Our geometry class is doing pen-and-paper constructions at the moment.
Virtual Straight Edge and Compass on Scratch by DarthPickley ... you can use these for virtual geometry constructions, or just to play around with.
These constructions use only compass, straightedge (i.e. ruler) and a pencil. This is the "pure" form of geometric construction: no numbers involved!