Question

the diagonal of cube is 8√3.Find its surface area .

Answer 1

diagonal of cube = a√3 = 8√3
i.e.,a=8
surface area = 6a²
= 6 × (8)²
= 6 × 64
= 384

Answer 2

Answer:

Step-by-step explanation:

given,

diagonal=√3^a

8√3 =√3a

a=8cm.

now,

surface area of cube=6a²

=6x (8)²

=384cm²..