After wildfires destroyed a portion of a national park,

Last updated: 7/14/2022

After wildfires destroyed a portion of a national park, forest service biologists calculated the germination rate of new seedlings. Using a rope as a radius, they marked off a circular area of forest equivalent to one-sixth of an acre. They then counted the number of new seedlings and multiplied by 6 to obtain an estimate of the germination rate in seedlings per acre. What length of rope is needed to create the circle?