Answer:
3.1 meters
Step-by-step explanation:
Let the height of rectangular prism be h m.
[tex] \therefore \: h = \frac{volume}{l \times w} \\ = \frac{334.8}{18 \times 6} \\ = \frac{334.8}{108} \\ \huge \red{ \boxed{\therefore \: h =3.1 \: m}}[/tex]
Hence, height of rectangular prism = 3.1 m