I need help with math I will give 5 hearts and brainlist and thanks you will get 61 points this is pre algebra
-thanks

Answer:
[tex]\tt 18\: m^3[/tex]
Step-by-step explanation:
Volume ⇒ (Area of base) height
[tex]\tt (\cfrac{1}{2} \times4\times.5)\times 6=\boxed{18}[/tex]
~
Therefore your answer is C)18 m³