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Back to OCR Maths Higher June 2018 Paper 4 Home
​Q8: Answers – Paper 4 – June 2018
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Content:
  • Circle Theorem 1
  • Circle Theorem 2
  • Trigonometry – Finding a Side
  • Area of Circles​
Quizzes:
  • Circle Theorem 1
  • Circle Theorem 2
  • Trigonometry – Finding a Side
  • Area of Circles

Mark Scheme
Picture

Working
A, B, C and D are points on the circumference of a circle, centre O.
Picture
Angle CAD = 28° and CD = 6.4cm.
BD is a diameter of the circle.

​Calculate the area of the circle.
Picture
Picture
Picture

Question
8) A, B, C and D are points on the circumference of a circle, centre O.
Picture
Angle CAD = 28° and CD = 6.4cm.
BD is a diameter of the circle.

​Calculate the area of the circle.
[5 marks]
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