A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 560 sq. feet, how many feet of fencing will be required?	Select the correct option:
A) 34 B) 40 C) 68 D) 76 E) 92
Given that length and area, so we can find the breadth.   Length x Breadth = Area   20 x Breadth = 560   Breadth = 28 feet   Area to be fenced = 2B + L = 2 (28) + 20 = 76 feet answer : 76
<result>D</result>
A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 560 sq. feet, how many feet of fencing will be required?