Barrons Lets Review Regents: Geometry gives students the step-by-step review and practice they need to prepare for the Regents exam. This updated edition is an ideal companion to high school textbooks and covers all Geometry topics prescribed by the New York State Board of Regents. This edition includes: Two actual Regents exams in Geometry, plus answer keys for each test Review and practice problems for all topics on the exam, including the language of geometry, basic geometric relationships (parallel lines, polygons, and triangle relationships), constructions, an introduction to geometric proof transformations, triangle congruence, similarity and right triangle trigonometry, parallelograms, circles and arcs, coordinate geometry and proofs on the coordinate plane, and volume (modeling 3-D shapes in practice applications)