Funny Pythagorean Theorem day T-shirt 21st Century-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 TShirt, Funny math T-Shirt, Pythagorean theorem shirt, Pythagorean Theorem 21st Century, I was there 08-15-17 for man, student, Lightweight, Classic fit, Double-needle sleeve and bottom hem