Answer:
[tex]\huge{\underline{\mathtt{\red{A}\pink{N}\green{S}\blue{W}\purple{E}\orange{R}}}}[/tex]
19 cm
The diagonals of the bases form a rectangle with sides containing A and B points.
AB is the diagonal of the formed rectangle and its length is:
[tex]\tt AB = \sqrt{5^2 + 16^2+7^2 } = \sqrt{25 + 256+49 } = \sqrt{369} } = 19 cm [/tex]
