9. A brooch is m ade with silver wire in the form of acirce with damet – InterviewSolution

1.	9. A brooch is m ade with silver wire in the form of acirce with dameter 35 mm. The wire is also used inmaking 5 diam eters which divide the circle into 10equal sectors as shown in Fig. 12.12. Find(i) the total length ofthe silver wire required.(ii) the area ofech sector of the brooch.
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