## Exam Style Question## Worked solutions to typical exam type questions that you can reveal gradually |

Question id: 301. This question is similar to one that appeared in a GCSE Higher paper in 2017. The use of a calculator is allowed.

A yellow equilateral triangle has been painted on a purple sector. The side OC is 20cm and OA is 12cm. Calculate the area of the purple region ABCD as a percentage of the area of the whole sector OCD.

The diagram is not drawn to scale.

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