Question

clare is wrapping a gift for her sister in a box that has the net drawn here. how many square inches of wrapping paper will clare need to cover the box?

Explanation:

Step1: Identify the formula for the surface area of a rectangular prism

The surface area formula for a rectangular prism is \(SA = 2(lw+lh + wh)\), where \(l\) is the length, \(w\) is the width, and \(h\) is the height. From the net, \(l = 5\) in, \(w=3\) in, \(h = 2\) in.

Step2: Calculate \(lw\), \(lh\), and \(wh\)

• \(lw=5\times3 = 15\)
• \(lh=5\times2=10\)
• \(wh=3\times2 = 6\)

Step3: Substitute into the surface - area formula

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Answer:

\(62\) square inches.