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3 marksLength of Arc

CSEC Mathematics · May/June 2006 · Paper 2 · Question 12(b)(ii)b)

Two points, Y and M, on the surface of the earth have coordinates Y(41°N, 74°W) and M(41°N, 4°E).

Calculate, correct to the nearest kilometre, the circumference of the circle of latitude 41°N.

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Other parts of this question

  1. 12(a)(i)Calculate the length of the diagonal HF[3 marks]
  2. 12(a)(ii)Calculate the area of the parallelogram EFGH.[2 marks]
  3. 12(b)(i)a)Copy the sketch above, and draw and label two arcs to represent the Equator[2 marks]
  4. 12(b)(i)b)Copy the sketch above, and draw and label two arcs to represent the Greenwich Meridian.[1 mark]
  5. 12(b)(ii)a)Insert the points Y and M on your diagram.[2 marks]
  6. 12(b)(ii)c)Calculate the shortest distance between Y and M measured along the circle of latitude 41°N.[3 marks]

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