Asked by Jenny

A car wheel has a diameter of 0.4 meters.
Work out how many full turns the wheel makes when the car travels a kilometer

Answers

Answered by Bosnian
C = d pi

C = Circumference

d = diameter

C = d * pi

In this case:

C = 0.4 pi

C = 0.4 * 3.14 = 1.256 m

1 km = 1000 m

1000 / 1.256 = 796.17834395 turns

797 turns rounded for full turn
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