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3 marksPythagoras' Theorem

CSEC Mathematics · January 2009 · Paper 2 · Question 3(b)(i)

The diagram shows two straight wires, LJ and NK, supporting a vertical pole, MJ. LMN is a straight line on the horizontal plane. Angle JML = 90°, angle KNM = 30°, LJ = 13 m, LM = 5 m and KN = 10 m.

Calculate, in metres, the length of MK.

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Other parts of this question

  1. 3(a)(i)Copy the Venn diagram shown below.[1 mark]
  2. 3(a)(ii)Show on your Venn diagram the information relating to the students in Form 5.[2 marks]
  3. 3(a)(iii)Calculate the number of students who study BOTH Physical Education and Music.[3 marks]
  4. 3(b)(ii)Calculate, in metres, the length of JK.[3 marks]

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