circumference of a circle is 197.82 yards.
Explanation:
circumference of a circle = 2πr
where,
- r = radius of the circle = 31 1/2 yards
- (convert the improper into a proper fraction, r =63/2 =31.5 yards)
- π = 3.14
circumference of a circle = 2
3.14
31.5 = 197.82 yards