4pc Geometry Set - Protractor, Ruler and Triangles This 4 piece geometry set includes a protractor, ruler, and triangles. The set is perfect for school or home use, and is designed for students and adults alike. The set features a multi-color design that is both fun and functional, and is sure to make a great addition to any toolkit. The protractor is perfect for measuring and drawing angles, while the ruler is great for measuring and drawing straight lines. The triangles are perfect for visualizing and understanding the properties of different shapes. This set is a must-have for anyone who is interested in geometry, and is sure to become a favorite tool for years to come.