Question

the length of the diagonal of a cube is 8 root 2 cm .Find the surface area​

Answer 1

Answer:

Surface area = 384cm^2

Step-by-step explanation:

If Diagonal is 8√2, then the side is 8cm

(This is because diagonal is a√2units is side is a units)

Surface area = 6a^2

                     = 6 * 8 * 8

                     =6 * 64

                      = 384 cm^2

Hope it helps!