Answer:
5.2cm
Explanation:
Given parameters:
Length of the side of a cube = 3cm
Unknown:
Diagonal of the cube = ?
Solution:
To find the diagonal of a cube, we use the expression below;
d = [tex]a\sqrt{3}[/tex]
a is the length of the side of the cube
Now insert the parameter and solve;
d = [tex]3\sqrt{3 }[/tex] = 5.2cm