Interactivate, Shodor's "set of free, online courseware for exploration in science and mathematics" presents this activity to teach students the geometry concept of tessellation. The java-based activity allows students...
The basics of compass and straightedge construction, with notes about The Instruments and What is a construction? Construct the perpendicular bisector or the midpoint of a line segment; given a point on a line,...
A short article designed to provide an introduction to geometry, including classical Euclidean geometry and synthetic (non-Euclidean) geometries; analytic geometry; incidence geometries (including projective planes);...
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