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6 marksArea of Triangle (Two Sides and Included Angle)

CSEC Mathematics · May/June 2005 · Paper 2 · Question 11(a)(i)

In triangle XYZ, P and Q are midpoints of sides XY and XZ respectively. XP = 7.5 cm, XQ = 4.5 cm, and the area of triangle XPQ = 13.5 cm².

Calculate the size of angle PXQ, expressing your answer correct to the nearest degree.

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Other parts of this question

  1. 11(a)(ii)Calculate the area of triangle YXZ.[1 mark]
  2. 11(b)(i)(a)Calculate the size of angle SJM.[3 marks]
  3. 11(b)(i)(b)Calculate the size of angle JKM.[1 mark]
  4. 11(b)(ii)(a)Calculate, expressing your answer correct to ONE decimal place, the length of MJ.[6 marks]
  5. 11(b)(ii)(b)Calculate, expressing your answer correct to ONE decimal place, the length of JK.[1 mark]

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