Answer:
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
