Jackie is wrapping a birthday present. the gift box is in the shape of a rectangular prism. it has a length of 8 inches, a width of 10 inches, and a height of 3 inches. what is the minimum amount of wrapping paper she will need to completely cover the box?

134 square inches

214 square inches

240 square inches

268 square inches

268 squared inches

Step-by-step explanation:

The minimum amount of wrapping paper to cover the box completely can be calculated by determining the total surface area of the rectangular prism.

For a rectangle, area = length × width

The opposite surfaces are equal in the prism, thus;

Area of first surface = length × width

                                 = 8 × 10

                                 = 80 square inches

Area of the second surface = length × width

                                              =   10 × 3

                                              = 30 square inches

Area of the third surface = length × width

                                         = 8  × 3

                                         = 24 square inches

Total surface area = 2 × Area of first surface + 2 ×Area of the second                surface+ 2  ×  Area of the third surface

                              = 2 ×80 + 2 × 30 + 2 × 24

                             =  160 + 60 + 48

                              =   268

Therefore the minimum amount of wrapping paper required is 268 square inches.

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