The Prentice Hall Geometry book has a separate answer key called “Prentice Hall Mathematics: Geometry - Solution Key." This answer key is available from several sources, including Amazon.com.
The Prentice Hall Geometry book solution key is a teacher’s tool designed to complement the Prentice Hall Geometry student textbook. The solution key includes step-by-step solutions for the exercises in the student text, including the Quick Check exercises.
The 275-page Prentice Hall Geometry book answer key was published in paperback on January 1, 2007 by the Pearson/Prentice Hall publishing company. The ISBN-10 for this edition is 0132504790, and the ISBN-13 is 978-0132504799.