In this paper Euclidean and hyperbolic discontinuous isometries* are discussed and compared. The graphic artist M.C. Escher (1898-1972) produced works which have for the structure points, lines, and angles, which repeat in the plane (Euclidean and...
This special project studied a group of 25 urban high school students from a level 2 (low level) Geometry class. The class participated in a transformational geometry unit that was taught over a period of 5 weeks. The students utilized dynamic...
