Geometry, Student's Text, Part II, Unit 14.

Unit 14 in the SMSG secondary school mathematics series is a student text covering the following topics in geometry: areas of polygonal regions, similarity, circles and spheres, characterization of sets, constructions, areas of circles and sectors, volumes of solids, and plane coordinate geometry. Appendices cover Eratosthenes' measurement of the earth, rigid motions, proof of the two-circle theorem, trigonometry, and regular polyhedra. (DT)