How do you use a protractor on a map?

Step by step procedure for plotting with a protractor Step 1: Place the center point of your protractor on the known point. Step 2: Rotate the protractor so that it is aligned with the north reference lines on your map. Step 3: Mark the map along the edge of the protractor at the desired bearing.

How do you do a land nav with a protractor?

Place your protractor on your map. In the middle of the protractor, you’ll see a little hole. Place that directly over your first plot. Make sure 0° is in line with north on your map.

How do you plot a map?

How to Plot on Google Maps

  1. Go to and click on the link for “My Maps.”
  2. Click on the link for “Create New Map.”
  3. Click on the blue placemarker icon in the upper left hand corner of the map.
  4. Move the cursor to the location that you want to add to the map.

How do you shoot azimuth with a protractor?

Using the edge of your protractor, draw a straight pencil line between points A and B. The line is your azimuth. Now you must determine the grid azimuth of that line—the angle between the line and grid north. The terms azimuth and direction are interchangeable.

What is a compass protractor?

The Best Compass & Protractor Set The compass is used to draw circles and arcs, while the protractor helps you measure and make plane angles. Signing up for a geometry class means you’ll likely need two essential supplies: a compass and a protractor.

How do you plot a grid on a map?

Make sure you use the correct scale. First, locate the grid square in which the point (for example, Point A, Figure 2) is located (the point should already be plotted on the map). The number of the vertical grid line on the left (west) side of the grid square is the first and second digits of the coordinates.

How do I mark latitude and longitude on a map?

For the DD format, be sure to separate the lat and long with a comma. Enter latitude first, followed by longitude. Latitude should always be between -90 and 90. Longitude should always be between -180 and 180.

How do you map coordinates?

On your computer, open Google Maps. In the search box, enter your coordinates….Enter coordinates to find a place

  1. Decimal degrees (DD): 41.40338, 2.17403.
  2. Degrees, minutes, and seconds (DMS): 41°24’12.2″N 2°10’26.5″E.
  3. Degrees and decimal minutes (DMM): 41 24.2028, 2 10.4418.

What is map reading?

Map reading is the process of looking at the map to determine what is depicted and how the cartographer depicted it. This involves identifying the features or phenomena portrayed, the symbols and labels used, and information about the map that may not be displayed on the map.

How do you convert GPS coordinates to azimuth?

How to calculate the azimuth: an example

  1. Determine the longitude and latitude of London – our initial point.
  2. Determine the longitude and latitude of Rio de Janeiro – our final point.
  3. Calculate Δφ = φ₂ – φ₁ = -22.97° – 51.50° = -74.47° .
  4. Calculate Δλ = λ₂ – λ₁ = -43.18° – 0 ° = -43.18° .

How do you shoot back azimuth with a compass?

Back azimuths are calculated as follows: If the original azimuth is less than 180 degrees you ADD 180 degrees to the original azimuth, thus an azimuth of 45 degrees (<180) will have a back azimuth of 225 degrees. If the original azimuth is greater than 180 degrees you SUBTRACT 180 degrees from the original azimuth.

How to use a protractor and map?

How to use a Map Protractor to find map grid bearings .. In a featureless terrain you may have to take a bearing between two points in which the gap on the m…

How to use a protractor chart?

Color each section. By making each section of the pie chart a different color,it makes it easier for readers to interpret its information.

  • Label each section category. Your chart should be properly labeled so that anyone looking at it can interpret what its sections mean.
  • Denote each section’s percentage.
  • Title your chart.
  • What are the different parts of protractor?

    It is used for checking the inside bevelled face of a ground surface.

  • Used for checking ‘V’ blocks.
  • It is used to measure acute angles.
  • Which protractor do I use?

    – The FULL CIRCLE is 360° (360 degrees). – A half circle or a straight angle is 180°. – A quarter circle or a right angle is 90°.