How to Measure a 120-Degree Angle Using a Protractor - Visual Guide #224305 (License: Personal Use)

This black-and-white line drawing illustrates a standard semicircular protractor with degree markings from 0° to 180°, highlighting a measured angle of exactly 120° using two rays originating from the baseline. The angle is clearly labeled and indicated with curved arrows, emphasizing proper alignment and reading technique. It serves as an educational tool for teaching angle measurement in elementary and middle school math.

Used in educational web pages, geometry tutorials, or printable worksheets to demonstrate angle measurement; matches user intent for learning or teaching how to use a protractor correctly.