SOLUTION: A bicycle wheel is rolled along the ground for one complete revolution. If the center moves 12 feet, how many feet long is the radius of the wheel?

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Question 1098422: A bicycle wheel is rolled along the ground for one complete revolution. If the center moves 12 feet, how many feet long is the radius of the wheel?
Found 2 solutions by ikleyn, josmiceli:
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.
12%2F%282%2Api%29 = 12%2F%282%2A3.14%29 = 1.91 ft.


Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Tracing out 1 complete revolution on the ground
is the circumference, +C+=+2%2Api%2Ar+ of the wheel.
You are given:
+12+=+2%2Api%2Ar+
+r+=+12+%2F+%28+2%2Api+%29+
+r+=+6+%2F+3.141+
+r+=+1.9099+
The radius of the wheel is 1.91 ft