How many times a wheel of radius 28cm must rotate to go 3520m
Use 22/7
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radius = 28cm
perimeter of wheel = 2πr
= 2* 22/7*28
= 176 cm
change into meters = 176/100
= 1.76
1 revolution of a wheel = 1.76
3520 revolution of a wheel = 3520/1.76
= 3520*100/176
= 352000/176
= 2000
I hope you are understand
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