Question

A cube with edges inch long is shown below. What is the length, in inches, of a diagonal that runs from one corner of the cube to the opposite corner?

Answer 1

D^2 = L^2 + W^2 + h^2,
D^2 = 1^2 + 1^2 + 1^2 = 3,
D = 1.732. Inches.

Answer 2

12sq feet