Answer:
1536
Step-by-step explanation:
simply divide 55296 by 36
 
        
             
        
        
        
11 i think is what the answer is.
        
             
        
        
        
Answer:
You could multiply 21*21=441 if its a square
Step-by-step explanation:
 
        
             
        
        
        
Answer:
<h2>x = 5</h2>
Step-by-step explanation:

 
        
             
        
        
        
To find the area of a prism, you calculate the area of the cross-section and multiply that number by the length. The cross-section of this prism is a trapezium, and the formula for this is 

. 
Insert your given numbers to find out the area of this prism's cross-section:

Now, multiply 90 by the length, 10cm, to find out the volume of the prism;
90×10=900cm³
Therefore, your answer id the third option.