Abicycle wheel travels 36 pi inches. for each revolution. what is the radius of the wheel? enter your answer in the box.

Hello from MrBillDoesMath!

18

Discussion:

Imagine a fixed point on the wheel.  The phrase "A bicycle wheel travels 36 pi inches " means that point has traveled 36 pi inches in 1 circumference.  As C = 2 Pi r

C = 2 Pi *r = 36 Pi               => divide both sides by 2 Pi

r      =           (36 Pi)\(2 Pi)

r       =  18

Thank you,

MrB