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To find the amount of wrapping paper needed, we'll need to find the surface area of the shoebox. The surface area can be found using the formula for the surface area of a rectangular prism: SA = 2lw + 2lh + 2wh.
Let's plug in the given dimensions.
SA = 2(11)(6) + 2(11)(4) + 2(6)(4)
SA = 132 + 88 + 48
SA = 268 square inches
He needs 268 square inches of wrapping paper to cover the shoebox.