2,100
Step-by-step explanation:
Volume of the prism = b · h
Volume of the prism = 180 · 9
Volume of the prism = 1,620
Volume of the pyramid = b · h/3
Volume of the pyramid = 180 · 8/3
Volume of the pyramid = 480
Volume of the composite solid = 2,100
the answer is 40.
proof: