Question

6. If the length of diagonal of a cube is 8V3 cm, then
find its surface area.​

Answer 1

Answer:

let side be a

length = hypotenuse (h)

h² = b² + p²

(8V3)² = a² + a²

192 = 2a²

a² = 96 cm

a = 4V6 cm

surface area of cube = 6a²

= 6(4V6)²

= 6(96)

= 576 cm²