Answer:
Explanation:
Circumference = C = 31.4 ft
We know that,
C = 2πr
Where, r is the radius
31.4 = 2(3.14)r
31.4 = 6.28(r)
Divide 6.28 to both sides
31.4/6.28 = r
5 ft. = r
r = 5 ft.
Now,
Finding area:
A = πr²
A = (3.14)(5)²
A = (3.14)(25)
A = 78.5 ft²