Figure shows a cube of unit cell of CCP ...

Figure shows a cube of unit cell of CCP arrangements with face centred atoms marked 1,2, 3. Which of the following is true?

Atom 3 is twice as far from 1 as from 2

Atom 2 is equidistant from atoms 1 and 3

Atom 2 is nearer to 1 than to 3

All atoms lie on a right angled triangle.

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