UPSKILL MATH PLUS

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Diameters of different circles are given below. Find their circumference (Take \(\pi = \frac{22}{7}\)).
 
(i) \(d = 70 \ cm\)
 
Answer:
 
Circumference \(=\)  \(cm\)
 
(ii) \(d = 56 \ m\)
 
Answer:
 
Circumference \(=\)  \(cm\)
 
(iii) \(d = 28 \ mm\)
 
Answer:
 
Circumference \(=\)  \(mm\)