Semi-circle Student Protractor 3 1/2" Semi-circle Student Protractor 3 1/2". $.80 CU3751 Semi-circular protractors with outer beveled edge, cutout center on inner edge with 1/2 degrees calibrations. .
Product Catalog: Protractor, 6" semi-circle . Science Links. Protractor, 6" semi-circle Email this page to a friend Printer Friendly. . Standard 6" semi-circle clear plastic protractor. Featured Products. .
Alvin Protractors - Holman's, Inc. 1(800)545-0932 . HOLMANS SKU#: 301098. Alvin, 6-in. Semi-Circle Protractor, Made of heavy-duty 0.090" transparent laminated PVC with a beveled outer edge for accurate drawing. .
Acrylic Protractors Traditional style protractor manufactured from 3mm crystal clear acrylic, divided 360 degrees. Available as a Full Circle or Semi Circle type. .
Geometric Flower Garden . sectors using the midpoint as the point of the right angle for each sector thus creating a bisector of the semi-circle. I used a large protractor to measure 45 .