SOLUTION: https://ibb.co/1RtppGp

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Question 1176074: https://ibb.co/1RtppGp
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!


r = 18ft*12in/ft = 216in



Now apply:

Circumference = 2*pi*r

and then divide by 6" spacing to get the number...