bn:00064902n
Noun Concept
Categories: Dimensional instruments, Mathematical tools, Technical drawing tools, All articles needing additional references, Angle measuring instruments
EN
protractor  bevel protractor  Cras navigation plotter  Protracter  Protracters
EN
Drafting instrument used to draw or measure angles WordNet 3.0
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EN
A protractor is a measuring instrument, typically made of transparent plastic or glass, for measuring angles. Wikipedia
Angle measuring instrument Wikidata
A circular or semicircular tool for drawing or measuring angles. Wiktionary
A circular or semicircular tool for measuring angles. Wiktionary (translation)
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