Download or read book Head First 2D Geometry written by Stray (Lindsey Fallow) and published by "O'Reilly Media, Inc.". This book was released on 2009-11-16 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents the basic principles of planar geometry in easy-to-understand terms, including information on polygons, triangle properties, and the Pythagorean Theorem. --