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Abidjan is 4o west of Accra and on the same circle of latitude. If the…

Abidjan is 4o west of Accra and on the same circle of latitude. If the radius of this circle of latitude is 6370km, how far is Abidjan west of Accra, correct to the nearest kilometer? [Take π = 22/7]
  • A.
    222km
  • B.
    445km
  • C.
    890km
  • D.
    5005km
  • E.
    10010km
Correct Answer: Option B
Explanation
θ/360

* 2πr = Rcos4o

4/360

*

40041/1

= 445km

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