A protractor.
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A protractor is the common tool used in mathematics for measuring and drawing angles.
A spring-scale.
Decimal Places
An extremely accurate device used as an instrument for measuring the distance between two points. Often used in machining.
Designed in 1927, "The Brannock Device" foot-measuring device is used in many retail footwear stores to measure feet.it is a foot measurer. You Measure it in inchesBrannock device