Answer:
The radius is 20.
Step-by-step explanation:
We know the area of a circle is found by
A = pi r^2
We know A = 1256 and pi is approximated by 3.14
1256 = 3.14 r^2
Divide each side by 3.14
1256/3.14 = 3.14/3.14 r^2
400 = r^2
Take the square root of each side
sqrt(400) = sqrt(r^2)
20 =r
