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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?
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Answer / sunil
area of rectangle is given by length*breadth
area is given as 680
if one side is 20 than
area 0f rectangle=l*b
680=20*b
b=680/20=34
so if three sides are fenced than total fencing will be
2*34+20=88
| Is This Answer Correct ? | 38 Yes | 5 No |
Answer / sowmya
answer is 88 ft bcoz she wants leave a side of 20 feet unfenced
| Is This Answer Correct ? | 20 Yes | 0 No |
Answer / janaki
Let one side be A and the other B
If A=20 ft
B=?
A*B=680 =>B=680/20=34ft
Hence fence required is :
34+20+34+20=108ft
| Is This Answer Correct ? | 3 Yes | 15 No |
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