can someone please help me find the volume?

Answer:
C
Step-by-step explanation:
Volume = base * height.
The area of the base = base * height/2
That means the area of the triangular base is 8 * 5.1/2 = 20.4
The height is 9, so the volume is 20.4 * 9.
That means the volume is 183.6, which is C