# Exam-Style Question on Mensuration

## A mathematics exam-style question with a worked solution that can be revealed gradually

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Question id: 140. This question is similar to one that appeared on a GCSE Higher paper (specimen) for 2017. The use of a calculator is allowed.

A circular dart board has radius of 30 cm.

(a) Calculate the area of the front face of the dart board in cm2, giving your answer as a multiple of $$\pi$$.

(b) The volume of the dart board is 4500$$\pi$$ cm3. Calculate the thickness of the dart board.

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