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Measure Distance on a Military Map. A graphic scale is a ruler printed on the map and is used to convert distances on the map to actual ground distances. The graphic scale is divided into two parts. To the right of the zero, the scale is marked in full units of measure and is called the primary scale.
1. Identify the scale of the map. The map scale is the ratio (1:50,000) of the distance on the map (1 inch) compared to the distance on the ground. (usually 50,000 inches). 2. Convert a straight-line map. distance to miles, meters, or yards.
Given a 1:50,000 scale map, a strip of paper with a straight edge, and a pencil. Determine the straight-line distance between two points with no more than 5 percent error and the road (curved line) distance between two points with no more than a 10 percent error.
13 paź 2015 · In This Lesson. This lesson discusses how to evaluate and interpret map information, how to neatly and accurately plot grid coordinates on the map, and how to measure ground distance on a...
Study with Quizlet and memorize flashcards containing terms like What are military symbols?, What is the basic rule for reading grid coordinates on a military map?, What is longitude? and more.
Convert a road map distance to miles, meters, or yards using the map's bar scale. This is the actual distance you have to travel to reach the point whose straight line distance you identified in step 2.
Study with Quizlet and memorize flashcards containing terms like What are the five colours on a military map and what do they mean?, What is the rule for reading a set of coordinates?, How many norths are indicated on a military map? and more.
