Navigationmedium#290
The convergency between meridians 020°W and 040°E at latitude 30°N is:
A
30°
CorrectB
15°
C
45°
D
60°
Explanation
Change in longitude = 20 + 40 = 60°. Convergency = 60 × sin(30°) = 60 × 0.5 = 30°.
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