Shapes are everywhere, and understanding geometric properties is an essential part of math education. A comprehensive introduction to geometry is told through r

Geographic data models are digital frameworks that describe the location and characteristics of things in the world around us. With a geographic information sys

Learn how to identify congruent polygons, similar polygons, and lines of symmetry on flags from around the world.

This book is written in a style that uncovers the mathematical theories buried in our everyday lives such as examples from patterns that appear in nature, art,