Printable Protractor Template - Free 180-Degree Semicircular Ruler #224295 (License: Personal Use)

This black-and-white vector-style protractor features precise degree graduations from 0° to 180° along both the inner and outer arcs, with major tick marks at every 10 degrees and finer subdivisions at 1° intervals. The straight base includes a central alignment notch for accurate vertex placement, making it ideal for educational or technical drawing tasks. Its clean, minimalist design ensures clarity when printed or used digitally.

Used in math education, engineering sketching, and DIY projects where angle measurement is required; commonly embedded in lesson plans, worksheets, or printable toolkits for students and teachers seeking a reliable, no-cost measuring aid.