Ex – 11.1 Que No. 9
Q.9) A brooch is made with silver wire in the form
of a circle with diameter 35 mm. The wire is also
used in making 5 diameters which divide the circle into 10 equal sectors as shown in Fig. 11.9. Find :
- The total length of the silver wire required.
- The area of each sector of the brooch.
Solution:-

