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 / anirudh
Asnswer Is 88.
Explanation :-
Rectangle has 4 sides with opposite sides equal in length. Let these be a,b
Now, we are given area as 680
ie. a*b=680
If a=20, then b=34
Now fencing is to be done on 3 sides leaving one a side i.e 2b+a
2*34+20 =88
| Is This Answer Correct ? | 26 Yes | 0 No |
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