Final answer:
The distance between point A and B is 140 nautical miles or 259.28 kilometers, calculated using the difference in latitude and conversion factors provided.
Step-by-step explanation:
To calculate the distance between point A and B, we use the information given that 1 degree of latitude is equal to 60 nautical miles. The latitude of point A is 20 degrees 40 minutes north, and the latitude of point B is 18 degrees 20 minutes north. We first convert the minutes to degrees by dividing by 60:
Point A: 20 degrees + (40'/60) = 20.6667 degrees
- Point B: 18 degrees + (20'/60) = 18.3333 degrees
- The difference in latitude between points A and B in degrees is:
- 20.6667 degrees - 18.3333 degrees = 2.3334 degrees
- Now convert the degrees into nautical miles:
- 2.3334 degrees × 60
- nautical
- miles/degree = 140 nautical miles
To convert this distance into kilometers, use the given conversion:
140 nautical miles × 1.852 kilometers/nautical mile = 259.28 kilometers
Therefore, the distance between point A and B is 140 nautical miles or 259.28 kilometers.