Question 234013
Given the formula A = πr^2, where A=1256 m^2 and π =3.14/ descrbe the steps used to solve for "r". 

1256 = (3.14)(r^2)

Steps:

(1) divide both sides by 3.14.

(2) take square root of both sides.


1256/3.14 = r^2

400 = r^2

sqrt{400} = sqrt{r^2}

20 = r