Protractors marked in in both degrees and mils. This tool is equivalent to the Graphic Training Aid 5-2-12 Coordinate Scale and Protractor (GTA 5-2-12) For use with UTM, MGRS, USNG or other metric based coordinate systems. Note that the middle letter denotes the vertex point of the angle. Military Style UTM/MGRS Coordinate Scale. Scale: Coordinate scale protractors are widely used by military and navigators to mark the map being measured, for 1:25,000, 1:50,000, 1:100,000, 1:250,000 maps. Protractors without the conversion formula will provide. The RM Military Protractor is the only protractor with a printed formula and a diagram to align the map grid north to match the compass magnetic north. This complete guide on how to use a protractor includes several examples, an animated video mini-lesson, and a free worksheet and answer key.īefore we learn how to use the protractor tool to measure angles, let’s do a super quick review of angle notation (understanding this important skill will make learning how to use a protractor much easier).Īngle Notation: In geometry, an angle is denoted by the ∠ symbol and includes 3 consecutive letters which represent the three points that form the angle. The RM Military Protractor is the only protractor with a printed formula and a diagram to align map grid north to match the compass magnetic north. The only known BACK-UP of the GPS when it malfunctions is your ability to use a military protractor and military compass. ![]() Welcome to this free lesson guide where you will learn how to read a protractor and how to use it to measure angles.
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