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?
Answers were Sorted based on User's Feedback
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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