Answer:
C.
Step-by-step explanation:
Refer to these trigonometry shortcut acronyms:
SOH CAH TOA
sine = Opposite/Hypotenuse
cosine = Adjacent/Hypotenuse
tangent = Opposite/Adjacent
15.455
z=66
Since VX is a mid-segment of UWY:
multiply the 3 numbers together
8x6x1.5 = 72 cubic feet