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9709 P12 - Jun 2013 - Q4 - 7 marks
256

The diagram shows a square ABCD of side 10 cm. The mid-point of AD is O and BXC is an arc of a circle with centre O.

  1. Show that angle BOC is 0.9273 radians, correct to 4 decimal places.
  2. Find the perimeter of the shaded region.
  3. Find the area of the shaded region.
9709_circular_76
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