running feet in to circumference

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running feet in to circumference

Postby flinterstone » Sat Jan 03, 2009 1:13 pm

how to arrive at with a running feet of say 15 feet rod i bend it for form a round circle - then what will be the circumference or the distance between the center point to the outer circle?
flinterstone
 

Re: running feet in to circumference

Postby Guest » Sat Jan 03, 2009 8:16 pm

flinterstone wrote:how to arrive at with a running feet of say 15 feet rod i bend it for form a round circle - then what will be the circumference or the distance between the center point to the outer circle?


The deformation of the rod may cause a TINY change in length, but circumference should be VERY nearly 15 feet.

For diameter, divide by pi, for radius, divide diameter by 2.

Roughly d = 4.77 ft, r = 2.39 ft
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