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GeoTool Compass

GeoTool Compass
Perform a wide variety of geometric constructions with the GeoTool Compass and its built-in protractor, ruler, and straightedge! The freely rotating 360° protractor provides accurate measurements and makes drawing circles, angles, arcs, sectors - and even pie charts - easy. The compass fits both pens and pencils, features both fixed and adjustable radii, and provides direct comparison of inches and centimeters. The GeoTool Compass includes easy-to-understand instructions and is safe and appropriate for students of all ages. Each Classpack includes a Learning About...® GeoTool Compass Activity Guide. U.S. Patent No. 6,405,443 - See more at: http://www.hand2mind.com/item/geotool-compass/5321#sthash.8adbsvIn.dpuf
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