A protractor is used to draw and measure angles. An angle is the amount of turn between two lines. Angles are measured in degrees with the symbol °. Angles can be labelled with 3 letters (eg DEF ...

The Protractor sensor can enable your robot to find objects and navigate around with ease thanks to its ability to measure angles. Watch the demonstration video below to learn more about its ...

Actually, you would have to take your angle measurement and subtract from 90° to get your latitude. Also, there is a straw on top of my protractor to assist with the aiming—and it looks cool.

Object Details maker Central Scientific Company inventor Penfield, Samuel Lewis Description It may seem obvious that surveyors, navigators, and mathematics students would need to measure angles. These ...