This book contains detailed solutions to the problems in the book Geometry Problem Solving for Middle School . These books are part of the ongoing effort by Areteem Institute to inspire students, parents, and teachers to gain a deeper understanding and appreciation of mathematics. This book presents more in-depth problem solving in geometry, covering the application of fundamental concepts in areas, angles, surface areas and volumes and how students can readily apply these concepts in their own lives, highlighted with pictures and 3D shapes to illustrate the problems. The book covers in-depth implementation of Common Core Math Standards for geometry that all middle school students are required to understand before entering high school. For information about Areteem Institute, visit http: //www.areteem.org.