PDF chapter test TRY NOW

Draw concentric circles for the following measurements of radii / diameters. Find out the width of each circular ring.
 
(i) \(r = 5 \ cm\) and \(r = 7.5 \ cm\)
 
(ii) \(d = 6.2 \ cm\) and \(r = 6.2 \ cm\)
 
(iii) \(r = 7.1 \ cm\) and \(d = 12 \ cm\)
 
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Important!
This is a self assessment task. Solve this question and assess the solution steps after the completion of test on your own.