It's time to be a detective! Angle Detectives is an interactive google slides lesson that teaches students to measure angles online, construct angles and shapes using lines, and measuring them using our free online protractor that comes with every Angle Lesson. This lesson explores types of triangles, identifying types of angles, identifying types of angles in shapes/triangles, Measuring angles using the online protractor (That's easy to use!), Measuring angles in shapes using the online protrac