The figure above shows a side view of the insert and the four components of a box designed to package four lightbulbs...

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The figure above shows a side view of the insert and the four components of a box designed to package four lightbulbs. The package is a rectangular box, whose base is a square with a side of 8 inches and whose height is 12 inches. A single rectangular insert is folded twice to form two identical diagonal planes, one at each end, and a horizontal plane in the middle, so that the box is divided into four identical compartments. What is the area of the insert in square inches?

A. \(192\)
B. \(224\)
C. \(64+4\sqrt{52}\)
D. \(64+96\sqrt{2}\)
E. \(64+128\sqrt{2}\)

The OA is B
Source: — Problem Solving |