A wheel of diameter 14 cm must rotate ______ times to go 220 cm.​

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1. Step-by-step explanation:

   diameter of wheel is 14cm

   so radius is d/2= 14/2=7cm

   so s

   we find circumference

   so circumference=2πr

   solve – 2×22/7×7=44cm

   1 time rotate wheel to complete 44cm

   so 220cm complete=220/44= 5 times

   ans – 5times rotate wheel

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