Protractor, 135 Degrees Small 320×192 Medium 640×384 Large 1024×614 Download Tiff Original 2500×1500 | (290.8 KB) Description A protractor indicating a measurement of 135 degrees from the right side. Keywords angles, geometry, mathematics, measure degrees, measurement, Semicircle Galleries Protractors Source: Courtesy the private collection of Roy Winkelman
