Geometric Design Step by Step Author:Dale Seymour Walk students through the construction of more than 80 intriguing designs based on triangles, squares, pentagons, hexagons, octagons, and decagons. Students start with a simple circle, inscribe a polygon inside it, then add, delete, and connect diagonals to achieve the final design. Adaptable to compass and ruler or computer use, this resource a... more »lso includes templates. Grades 9+« less