Focus on geometry : an integrated approach / Alan R. Hoffer ... [et al.]. - Menlo Park, Calif. : Scott Foresman/Addison Wesley, c1998. - vii, 894p. : col. ill. ; 26 cm. - Addison-Wesley secondary mathematics series . Glossary : p. 846 - 855. ISBN: 0201869705 Subjects--Topical Terms: Geometry--Study and teaching (Secondary).