The radius is the line from the center to the outside of the circle, therefore the width of a circle is twice the radius.
2 x 8 feet =16 feet
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The answer depends on whether 8 foot refers to the radius or diameter.
2 x pi x 8 ft = 50.265 ft
It is: 2*pi*8 = 50.265 feet rounded to three decimal places
Normally a four foot circle is four feet in diameter, unless you're talking about four foot in circumference. As a circle is perfectly round. Therefore, it is either 4 ft or 8 feet long, depending on whether you are measuring the radius or the diameter to determine your 4 ft circle. Good luck Terry PS it’s also 4 or 8 feet wide…. I just kill me.
Radius of circle: 8/2 = 4 inches