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Hover or tap underlined Spanish terms to see their translation and exam tip.

Distancia ortodrómica entre los puntos 36º 30' S, 092º 45' W y 21º 20' S, 163º 50' E (redondear a la milla).Great circle distance between 36º 30' S, 092º 45' W and 21º 20' S, 163º 50' E (round to the mile).

Show the answer

Correct answer: a) 5253'

Why it is correct

It crosses the 180º meridian: ΔLong = 103º 25′. The formula gives 5253 miles.

Why the others are not

  • b) It does not match the working.
  • c) It does not match the working.
  • d) It does not match the working.

How to work it out in the exam

  1. cos D = sin l1 sin l2 + cos l1 cos l2 cos ΔL, with south latitude negative.
  2. Turn D into minutes: each minute is a mile.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.