Respuesta :

mhanifa

Answer:

  • 1092 in³

Step-by-step explanation:

We have formula and values given:

  • V = 1/3h(a² + ab + b²)
  • h = 12 in
  • a = 5√7 in
  • a = 2√7 in

Substitute the values and calculate:

V = 1/3*12*[(5√7)² + (5√7)(2√7) + (2√7)²] =

   = 4*(25*7 + 10*7 + 4*7) =

   = 4* 273 =

   = 1092 in³