Question

How many feet of chain fence are necessary to enclose a dog pen that is square and had an area of 64 square feet?

Answer 1

32 feet of chain

This is because one side of the sqaure is 8 feet long because $\sqrt{64}$ equals 8 and 8 times 4 is 32 because there are 4 sides.

Answer 2

32 feet of chain!!!!