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Solution


Q.

A brooch is crafted from silver wire in the shape of a circle with a diameter of 35 mm. The wire is also used to create 5 diameters, dividing the circle into 10 equal sectors, as shown in the figure.

Based on the above information, answer the following questions:

 

(i) What is the radius of the circle
1 17.5 mm  
2 16.5 mm  
3 13.5 mm  
4 10.5 mm  

Ans.

(1)

Radius of the circle =352 mm=17.5 mm