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One degree of longitude at the equator is equal to approximately:

Q: One degree of longitude at the equator is equal to approximately:

60 NM. At the equator, one degree of longitude is approximately 60 NM; this decreases with the cosine of latitude as meridians converge toward the poles.

30 NM

60 NM

90 NM

120 NM

60 NM✓ Correct Answer

Explanation

At the equator, one degree of longitude is approximately 60 NM; this decreases with the cosine of latitude as meridians converge toward the poles.

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