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Back to OCR Maths Higher November 2018 Paper 6 Home
​Q13: Answers – Paper 6 – November 2018
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Content:
  • Circumference of Circles​
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  • Circumference of Circles

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Working
The shape below is formed from two semicircles and a straight line.
Picture
The radius of the large semicircle is 8 cm.
The radius of the small semicircle is t cm.

Find an expression, in terms of t, for the exact perimeter of the shaded shape
Picture

Question
13) The shape below is formed from two semicircles and a straight line.
Picture
The radius of the large semicircle is 8 cm.
The radius of the small semicircle is t cm.

Find an expression, in terms of t, for the exact perimeter of the shaded shape

​[3 marks]
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