The box is 17.25 inches long.
A cuboid is a solid shape or a three-dimensional shape. A convex polyhedron that is bounded by six rectangular faces with eight vertices and twelve edges is called a cuboid.
Volume of a cuboid = lbh
1242 = l(6)(12)
l=1242/72
l=17.25
To learn more about a cuboid: https://brainly.com/question/19754639?referrer=searchResults
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