SOLUTION: a rectangular field having area of 720 sq.m to be fenced on three sides of 40 m uncovered. how many meterof fenced will be required?

Algebra ->  Exponents -> SOLUTION: a rectangular field having area of 720 sq.m to be fenced on three sides of 40 m uncovered. how many meterof fenced will be required?       Log On


   

Question 934987: a rectangular field having area of 720 sq.m to be fenced on three sides of 40 m uncovered. how many meterof fenced will be required?
Answer by vicgonzerx(31) About Me  (Show Source):
You can put this solution on YOUR website!
A=L*W
LET L=40m a side uncovered
A=720
so 720=40(w)
w=18
the length of fence = 2w+L=2(18)+40=76m FENCE ------ANSWER