Coloring PagesColoring Book SchoolMathematical Angle Gauge Mathematical Angle Gauge 🖌️ Pokoloruj 🖌️ 🖨️ Wydrukuj 🖨️ That interesting semicircular object you see in the picture is a protractor. As the name says, it is used to measure angles and is used in various mathematical tasks. Color the protractor to make it look nice while measuring angles! Coloring Book School FacebookTwitterPinterestCopy URL Similar coloring books Berenstain Bears go to school Male and female student First class Learning geometric figures Welcoming school - the first day of school Elementary school School supplies Scissors for the cutting lesson Markers for school Pencil case in readiness for school