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Set of 30 GeoTool Compasses which can be used to perform a wide variety of geometric constructions. Has a built in protractor, ruler, and straightedge. The freely rotating 360 degrees protractor provides accurate measurements and makes drawing circles,angles, arcs, sectors--and pie charts--easy. The compass fits both pens and pencils, features both fixed and adjustable radii, and provides direct comparison of inches and centimeters. Contents: Learning About... GeoTool Compass Activity Guide, 30 instruction cards, and 30 GeoTool compasses. | |