Volume of cube is 125
, what is the length of diagonal AB?
(A)
cm (B)
cm (C)
cm
(D)
cm (E) None of the above
Let side of the cube
It is given to us that volume of cube
cm
In a cube all the angles are right angles.
In
, we have
(Pythagoras theorem)
cm (1)
In
, we have
Putting (1) in the above equation, we get
cm
Hence, the answer is (D).
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