Pythagorean Triple Day 08 15 17 square triangle T-shirt-TH

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, This trendy t-shirt is best for math teachers, educators, professors, math lovers, students and teacher loves math, back to school, pytago, Geometry, funny math geek nerd, Teach Algebra. You love Pythagorean triangle, it”s pythagorean theorem day on August 15 2017. Get this apparel now and celebrate this day with your geek friends. Lightweight, Classic fit, Double-needle sleeve and bottom hem