Question

The diagonal of a cube is 14 root 3 cm the surface area of the cube is

Answer 1

$diagonal = 14 \sqrt{3} \\ a \sqrt{2} = 14 \sqrt{3} \\ a = 7 \sqrt{2} \sqrt{3} \\ a = 7 \sqrt{6} \: cm$
Surface area
$= 4 {a}^{2} \\ = 4 \times 7 \times 7 \times 6 \\ = 28 \times 24 \\ = 672squae \: cm$

Answer 2

Answer:

here you go buddy... please marke as brainlist.... as you know he is brainly teacher but I am only expert and I need brainlist for my new rank so please mark me as brainlist