# A bicycle tire has a diameter of 27 inches. How far does the bike travel along the ground when the wheel rotates once?

A bicycle tire has a diameter of 27 inches. How far does the bike travel along the ground when the wheel rotates once?
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wornoutwomanC
When the wheel rotates once, it has a travelled a distance equal to the circumference of the wheel. Using the circumference formula in terms of diameter dd, this distance is:
$C=\pi d=\pi \left(27\right)\approx 84.8$ inches