The Bicycle Wheels

To solve the problems in Bicycle Wheels, you need to know that the circumference (C) of a circle can be calculated using the formulas C = 2 Π , where d is the length of the diameter and Π is approximately 3.14.

1. The rim of the bicycle wheel shown below has a radius of 13 inches. What is the circumference of the rim of the wheel?

2. If the wheel revolves 3 times how many feet will it have travelled?
   
   
3. If the wheel revolves 400 times how many feet will the bike have travelled.
   
   
4. How many times must the wheel revolve to go 1000 feet?