Deck : General Navigation - 197/2138
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| Determine the approximate geographic visibility of an object, with a height above the water of 85 feet (25.9 meters), for an observer with a height of eye of 60 feet (18.3 meters). |
| A) 18.4 nm |
| B) 19.9 nm |
| C) 20.8 nm |
| D) 21.5 nm |
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