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4 marksTime, Distance and Speed Problems

CSEC Mathematics · January 2004 · Paper 2 · Question 11(a)

Use π = 3.14 and the radius of the Earth, R, is 6370 km. Two airports S and T are located at (30°N, 25°W) and (30°N, 20°E) respectively.

Calculate, to the nearest km, the SHORTEST distance between S and T, along the parallel of latitude.

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Other parts of this question

  1. 11(b)(i)Calculate, giving your answer correct to 2 decimal places, the radius of the circle.[11 marks]
  2. 11(b)(ii)Calculate, giving your answer correct to 2 decimal places, the area of the minor sector AOB.[11 marks]
  3. 11(b)(iii)Calculate, giving your answer correct to 2 decimal places, the area of the shaded region.[11 marks]

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