Answer:
You need length, width and height to get cubic meters.
Step-by-step explanation:
midpoint of AC=(x¹+x²/2,y¹+y²/2)
=(-12+6/2,-8+14/2)
=(-6/2, 6/2)
=(-3,3)
sorry man or man drawing a little more about the job than the rest on any of these