Five square tiles are put together side by side. A quarter circle is drawn on each tile to make a continuous curve as shown. Each of the smallest squares has side-length 1. What is the exact total length of the curve?
Select one option, then click Submit.
6\pi
6.5\pi
7\pi
7.5\pi
8\pi
Select an option, then submit.
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Senior Mathematical Challenge 2016 (2016)
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