A fencing for the parking area was being constructed resembling a rectangle. Calculate the remaining length of the fencing required if half of it has been made as shown in the diagram.
A
40ft
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B
20ft
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C
33ft
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D
30ft
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Solution
The correct option is B20ft The given rectangle is,
We know that, the opposite sides of a rectangle are equal in length.
Therefore, CD=AB=13ft and AD=BC=7ft.
The length of the fencing required will be AD+CD=7ft+13ft=20ft