Best Answer

20

Perhaps the author of the previous answer could explain his working.

It seems to me that there are two diagonals on each face (total 12), plus 4 internal diagonals, giving an answer of 16.

Q: How many diagonals does a cube have?

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A cube has four space diagonals. One from each of the four vertices on the top face of the cube to the opposite vertex on the other face

It has 2 diagonals

It has 9 diagonals

There are infinite diagonals in a circle.

It has 495 diagonals.

Related questions

A cube has four space diagonals. One from each of the four vertices on the top face of the cube to the opposite vertex on the other face

I would assume the answer is 12, as a square has 2 diagonal lines, and a cube is really just six squares.

The side of a square is is cube root of 2cm. Find the length of the diagonals.

60

The 2 diagonals bi-sect each other at right angles which is 90 degrees

It has 1,345,890 diagonals

24 diagonals

2 diagonals

It has 2 Diagonals!!!

There are 20 diagonals

20 diagonals

It has 27 diagonals