NCERT Exercise 11.1 - Q9 - Areas Related to Circles

Question: A brooch is made with silver wire in the form of a circle with a diameter of 35 mm. The wire is also used in making 5 diameters which divide the circle into 10 equal sectors. Find: (i) total length of silver wire, (ii) area of each sector of the brooch.

Answer: The total wire required is 285 mm and the area of each sector is 96.25 mm^2.

Full step-by-step NCERT solution with diagrams on Something by Zero.