Question

PLS ANSWER ASAP

Answer 1

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  = $a\sqrt{3}$  

a is the length of the side of the cube

 Now insert the parameter and solve;

 

d  = $3\sqrt{3 }$   = 5.2cm