Calculate the approximate distance between the following points.
1. A point at 45° north latitude, 20° west longitude and a point 30° north latitude, 20° west
longitude.
2. A point at 50° north latitude, 80° west longitude and a point at 50° north latitude, 20°
west longitude.
3. A point at 10° north latitude, 80° west longitude and a point at 10° north latitude, 20°
west longitude.
4. A point at 72° north latitude, 28° west longitude and a point at 18° north latitude, 28°
west longitude and a point at 18° north latitude, 42° west longitude.
5. A point at 22° south latitude, 65° west longitude and point at 22° south latitude, 79° west
longitude.
1. 15° of latitude × 69 statute mi./degree of latitude = 1,035 statute mi.
2. 60° of longitude × 44.352345 statute mi./degree of longitude at 50° latitude =
2,661.11407 statute mi.
3. 60° of longitude × 69.128 statute mi./degree of longitude at 10° latitude = 4,147.68
statute mi.
4. 54° of latitude × 69 statute mi./degree of latitude = 3,726 mi. south. 14° of longitude ×
65.643 statute mi./degree of longitude at 18° latitude = 919 mi. west. 3,726 mi. south +
919 mi. west = 4,645 statute mi.
5. 14° of longitude × 64 statute mi./degree of longitude at 22° latitude = 896 statute mi.
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