To determine the variation of a particular area, you inspect the ______.

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Multiple Choice

To determine the variation of a particular area, you inspect the ______.

Explanation:
Variation is the angular difference between true north and magnetic north for a given area. On nautical charts, this is shown on the compass rose, which marks both true north and magnetic north and lists the magnetic variation for that area. By inspecting the compass rose for the charted region you’re using, you can read the variation value to apply when converting bearings. Deviation, radar, and fixing are related to other aspects of navigation and don’t provide the magnetic variation shown on the chart’s compass rose.

Variation is the angular difference between true north and magnetic north for a given area. On nautical charts, this is shown on the compass rose, which marks both true north and magnetic north and lists the magnetic variation for that area. By inspecting the compass rose for the charted region you’re using, you can read the variation value to apply when converting bearings. Deviation, radar, and fixing are related to other aspects of navigation and don’t provide the magnetic variation shown on the chart’s compass rose.

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