TEKS Referenced: •3.1(A) - apply mathematics to problems arising in everyday life, society, and the workplace; •3.6(C) - determine the area of rectangles with whole number side lengths in ...

"The perimeter model is dead," pronounced Bruce Schneier, author of The New York Times' best seller Data and Goliath, and the CTO of IBM Resilient. "But there are personal perimeters.