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El círculo ecuatorial de la Tierra tiene una longitud de:The Earth’s equatorial circle measures:

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Correct answer: d) All the answers are correct.

Why it is correct

The equator is 360º, which is 21,600 miles or about 40,000 km.

Why the others are not

  • a) Also b and c.
  • b) Also a and c.
  • c) Also a and b.

How to work it out in the exam

  1. Equator: 360º = 21,600 M.

Where this question comes from

Try it: Navigation calculations

Pending instructor review. Machine translation, not reviewed.