How many times a wheel of radius 28cm must rotate to go 352m?
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total distance=352m
raidus of wheel=28m
circumference of wheel = 2 pie r
=2 x 22/7 x r
=2 x 22/7 x 28
=2 x 22 x 4
=8 x 22
=176cm
distance covered in one rotation=176cm
no.of rotation of a wheel = total distance/distance covered in one rotation
=35200/176
=17600/88
=4400/22
=200/1
=200
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