Q) Susan wants to put up fencing around three sides of her
rectangular yard and leave a side of 20 feet unfenced. If
the yard has an area of 680 square feet, how many feet of
fencing does she need?
a) 38
b) 44
c) 72
d) 88
e) 97
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Answer Posted / kishor
Area =length x breadth
breadth=20
area given=680
length=area/breadth=680/20=34
so when 20 ft.side is to be left only two length side and 1 breadth is to be fenced so
2x34+20=68+20=88 ft.
| Is This Answer Correct ? | 2 Yes | 0 No |
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