Answer:

Step-by-step explanation:
Given

 

Required
Determine the height
The volume is calculated as:

Since, it has a triangular cross-section, the expression becomes:

So, we have:




 
        
             
        
        
        
A, because you follow the numbers and just put "is to" and "as" in the middle. 
        
                    
             
        
        
        
I would say it’s about 105 degrees due to knowing it’s over 90 degrees