The equation for the circumference of a circle is pi d where d is the diameter. In this case, we have a 12yd diameter, so multiply that by pi and you get 37.699111843077518861551720599354
so we have 37 yards.
We have a decimal part, so multiply this by 3 to get any feet:
0.699111843077518861551720599354 x 3 = 2.0973355292325565846551617980621
so we have 2 feet.
We have a decimal part so multiply this by 12 to get any inches:
0.0973355292325565846551617980621 x 12 = 1.1680263507906790158619415767452
So the circumference is 37 yards, 2 feet, 1 inch.
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Circumference of any circle = (pi) x (diameter) Circumference of this particular circle = (pi) x (70 yd)
3.141*18 yd = 56.538 yd Circumference is 2 * pi * r
Use the formulae for the area and circumference of a circle, replacing the symbol for the radius or the diameter with the known radius or diameter. As a reminder, the radius is 1/2 the diameter.Circumference = pi x diameter area = pi x radius squared
The circumference equals about 28.26 yd if pi is rounded to 3.14. (9*3.14)
C = 28.274 yd