a teacher holds a large protractor against a triangle drawn on a whiteboard while pointing to the angle measurement. She simultaneously holds a thermometer showing the room temperature in her other hand. The protractor clearly shows the angle measurement while the thermometer displays the temperature reading. Students lean forward from their desks, watching intently as she demonstrates both types of measurements. One student takes notes while another raises her hand with interest. units of measurement for angles and temperature being demonstrated. Style: High-quality 2D vector cartoon illustration with bold outlines and warm educational detail