Exam-Style Question on Mensuration
A mathematics exam-style question with a worked solution that can be revealed gradually
Question id: 157. This question is similar to one that appeared on a GCSE Higher paper (specimen) for 2017. The use of a calculator is allowed.
Three crayons are held together with an elastic band. The diagram below shows the end of the crayons and the elastic band.
Each of the crayons has diameter of 10 mm. Find the length of the elastic band in this position
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