Hey there!
[tex]{volume \: = \frac{1}{2} lwh}[/tex]
[tex] = \: \frac{1}{2} (6)(4.5)(4)[/tex]
Multiply :-
[tex] = \frac{1}{2} \times 6 \times 4.5 \times 4[/tex]
[tex] = 3 \times 4.5 \times 4[/tex]
[tex] = 13.5 \times 4[/tex]
[tex] = 54 {m}^{2} [/tex]
Answer:[tex] \fbox{ 54m³ }[/tex]
