Answer:
856.3 square feet, I think
Step-by-step explanation:
Circumference = pi*2r
250 = pi*2r
250/pi = 2r
13.700916287197382721937178384958 = 2r
6.850458143598691360968589192479 = r
Area = pi*r^2
pi*6.850458143598691360968589192479^2 = 856.30726794983642012107364905986