24 is the answer welcome !
He should buy 32 feet of fencing. I got 32 by just finding the perimeter or in other words adding 10+10+6+6 which equal 32. You would NOT do area or 10×6 because that would include that land within the fenced area and who wants 60 feet of fencing that you can't put anything in?
Good luck, hope that helped.
N'(-2,2)
G'(-2,-4)
H'(6,-4)
Answer: combining like terms
Step-by-step explanation: