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 Form 4 Mathematics : Longitudes and Latitudes Topical Questions and Answers

The position of two towns A and B on the earth’s surface are #(36^0N, 49^0E)# and #(360N, 131^0W)# respectively.
(a) Find the difference in Longitude between A and B.
(b) Given that the radius of the earth is 6370km, calculate the distance between town A and town B.
(c) Another town C is 840km east of town B and on the same latitude as towns A and B. Find the longitude of town C.

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