The length of the diagonal of the cube that has a side length of 4 inches is: B. 6.9 inches.
How to Find the Length of the Diagonal of a Cube?
The formula for finding the length of the diagonal of a cube, is: d = √3 × a, where a is the side length of the cube.
Side length of the cube = 4 inches.
Length of the diagonal of the cube = √3 × a = √3 × 4 = 6.9 inches.
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