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2 marksGeometric Problem Solving (Circles and Circle Theorems)

CSEC Mathematics · January 2016 · Paper 2 · Question 10(b)(i)

A diagram shows a circle with centre O. TAE is a tangent to the circle at point A and angle AOD = 72°.

Calculate, giving the reason for each step of your answer, the measure of: ∠ADC

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Other parts of this question

  1. 10(a)(i)Determine the area of the minor sector HOK.[2 marks]
  2. 10(a)(ii)the area of triangle HOK.[3 marks]
  3. 10(a)(iii)the area of the shaded segment.[2 marks]
  4. 10(b)(ii)∠ACD[2 marks]
  5. 10(b)(iii)∠CAD[2 marks]
  6. 10(b)(iv)∠OEA[2 marks]

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