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Nicexx iPhone X Case/iPhone Xs Case/Luxury Rhinestones 9H Tempered Glass, Drop Protection, Wireless Charging Compatible Apple iPhone X/iPhone Xs
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Nicexx iPhone X Case/iPhone Xs Case/Luxury Features
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Protractor scaled in radians, not degrees
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Allows for angle measurements accurate to 0.01 radians
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Sturdy, non-breakable laser-etched clear plastic
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Designed by a high school math teacher and curriculum specialist
About Nicexx IPhone X Case/iPhone Xs Case/Luxury
Protractors are used to measure angles. Most protractors are scaled in degrees, ProRadian Protractors are scaled in a unit called radians, fundamental to the study of trigonometry, calculus, and physics. Learn about radians the way you learned about degrees - by measuring! Great for students and professionals in any STEM field.
