Protractor, 30 and 150 Degrees Small 320×192 Medium 640×384 Large 1024×614 Download Tiff Original 2500×1500 | (298.7 KB) Description A protractor with 30 and 150 degree suplementary angles indicated. Keywords angles, geometry, mathematics, measure degrees, measurement, Semicircle, supplementary angles Galleries Protractors Source:
