A. The water will go down 2 inches
B. The water will go down 4.5 inches
C Half of the question is missing.
        
             
        
        
        
Answer: The triangles are similar. They are actually exactly the same. 
Step-by-step explanation: (Statement) The reason I know these triangles are similar is because I flipped one up and realized they matched just opposite each other. Then I matched them up they were exactly the same
 
        
             
        
        
        
47. my answer needs to be at least 20 characters long there u go
 
        
                    
             
        
        
        
First lets get the formula for a triangular prism

First lets plug in our numbers 

It really doesnt matter how you multiply everything, but you end up with 119cubic feet.