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2 marksPythagoras' Theorem

CSEC Mathematics · May/June 2011 · Paper 2 · Question 5(a)(iii)

Diagram shows triangle OMN and its image OMN' under enlargement with centre O and scale factor k. Angle ONM = 90°.

Using the dimensions shown on the diagram, calculate the length of OM'.

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Other parts of this question

  1. 5(a)(i)Using the dimensions shown on the diagram, calculate the value of k, the scale factor of the enlargement.[1 mark]
  2. 5(a)(ii)Using the dimensions shown on the diagram, calculate the length of OM.[1 mark]
  3. 5(b)(i)Using the dimensions shown on the diagram, calculate, correct to 3 significant figures, the length of QS.[2 marks]
  4. 5(b)(ii)Using the dimensions shown on the diagram, calculate, correct to 3 significant figures, the measure of ∠RQS.[3 marks]
  5. 5(b)(iii)Using the dimensions shown on the diagram, calculate, correct to 3 significant figures, the area of ∆PQR.[3 marks]

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