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Solution - Problems Based on Areas and Perimeter Or Circumference of Circle, Sector and Segment of a Circle

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ConceptProblems Based on Areas and Perimeter Or Circumference of Circle, Sector and Segment of a Circle  

Question

A brooch is made with silver wire in the form of a circle with diameter 35 mm. The wire also used in making 5 diameters which divide the circle into 10 equal sectors as shown in Fig. Find:

(i) the total length of the silver wire required

(ii) the area of each sector of the brooch

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