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A rectangular field is 3.2 yards long. A fence marking the boundary is 11.2 yards in length. What is the area of the field in square yards?

A rectangular field is 3.2 yards long. A fence marking the boundary is 11.2 yards in length. What is the area of the field in square yards? Correct Answer 7.68

Let, length = a = 3.2 yards and width = b Now, 2 (a + b) = 11.2 a + b = 5.6 b = 5.6 - a b = 5.6 - 3.2 b = 2.4 ab = 3.2×2.4 = 7.68

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