Answer: 6.5 ft³
Step-by-step explanation:
P =4l => l = 7.3/4 = 1.825 ≈ 1.8 ft
V = Ab×h/3 = l²×h/3
= (1.8)²×6/3
= 3.24×2
= 6.48 ft³
≈ 6.5 ft³