Pythagorean Theorem Day 8 15 2017 T-shirt Math Lover-Art

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 65% Cotton, 35% Polyester, Imported, Machine wash cold with like colors, dry low heat, Pythagorean Theorem Day T-shirt for people who love Math, Mathematics. If you are mathematicians, math students, math teacher, loving Math, this t-shirt is for you. Welcome back to school with Match T-shirt. Pythagorean Theorem Day or Pythagoras Theorem Day is celebrated when the sum of the squares of the first two digits in a date equals the square of the last digit in the date. Lightweight, Classic fit, Double-needle sleeve and bottom hem