Geometry Applications SeriesAlthough geometry involves abstract ideas, its applications are readily visible in everyday life—sometimes on a massive scale. This ten-part series uses Stonehenge, Chichen Itza, the Pentagon, and other architectural landmarks to explain essential concepts of geometry. The Texas Instruments TI-Nspire graphing calculator is employed throughout, with all keystrokes clearly shown, to expand on core ideas or to explore new ones. 10-part series, 30 minutes each