30 60 90 Right Triangle T-Shirt
- Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester
- Machine Wash
- This is the classic 30 60 90 right triangle.
- Great Christmas present, birthday gift, or back-to-school gift for a math teacher, geometry teacher, or trigonometry "trig" teacher!
- Lightweight, Classic fit, Double-needle sleeve and bottom hem
- Buy on Amazon