Question

How do you solve this math problem? Denise wants to irrigate a circular field. She will irrigate the field with a straight pipe, The pipe will rotate about the center of the field. She knows that the circular field has an area of 125,600 square feet. What is the length of the irrigation pipe? Use 3.14 for pi.

Answer 1

...area of the field = pi *r^2
125600 = pi *r ^2
r = 199.94 ft