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4 marksArc Length and Sector Area Formulae

CSEC Additional Mathematics · 2013 · Paper 2 · Question 4(a)

A diagram shows a sector cut from a circle of centre O. The angle at O is π/6. The perimeter of the sector is 5/6 (12 + π) cm.

What is its area?

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Other parts of this question

  1. 4(b)Solve the equation 2 cos²θ + 3 sin θ = 0 for 0 ≤ θ ≤ 360°.[5 marks]
  2. 4(c)Use the appropriate compound angle formula to find the value of the acute angle α.[3 marks]

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