Answer:
A= 78.4602
Explanation:
To find the area of a circle, we would need the radius. We can find that from the circumference.
C=2πr
31.4=2πr
31.4/2π= r
r= 157/10π or 4.99747
Now we can use the radius to find the area of a circle.
A=πr^2
A=π(157/10π)^2
A= 78.4602