Snake Eyes

  The King Cobra is the world’s largest poisonous snake. It can grow to over 5 metres long and has large bronze-coloured eyes, with a black central ‘slit’. The shape of the eyes is shown below.

Take the arcs drawn between C and D as having centres A and B.

 The Problem:

 Find the total area shown lightly shaded (the bronze part of a Cobra’s eye).

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Last modified: June 18, 2007