Interactive Protractor Tool for Measuring Angles - Free Online Geometry Aid #2009693 (License: Personal Use)

This semi-circular protractor displays dual-degree scales from 0° to 180° in both clockwise and counter-clockwise directions, enabling accurate angle measurement in any orientation. The central pivot point allows users to reposition and rotate the tool interactively, with labeled “Move” and “Rotate” zones for intuitive operation. Ideal for geometry education, it supports visual learning and real-time angle estimation.

Used on educational websites, math tutoring platforms, or interactive geometry lessons where users need to practice measuring angles; matches user intent for learning tools, classroom resources, or virtual manipulatives.