(x+2)^2 + (y-7)^2 = 9^2
120 - 400 = 520 Re-Write as an Addition problem
2 answers:
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Answer:
Therefore the friends will have to buy 511 feet of fence (rounding up) or 510 feet of fence ( to the nearest foot).
Step-by-step explanation:
i) perimeter of rectangular yard = 319 feet
ii) perimeter of yard of friends
iii) Therefore the friends will have to buy 511 feet of fence or 510 feet of fence ( to the nearest foot).