the surface area of the above triangular prism is 156 square inches.
Step-by-step explanation:
multiply the sum of the triangle sides by the height of the prism and add the values together for the answer, remembering to include the correct unit of measurement. 
 
        
             
        
        
        
Answer:
Step-by-step explanation:
i do not know
 
        
             
        
        
        
Answer:
3.4545
Step-by-step explanation:
 
        
             
        
        
        
Answer:  x equals 12
Step-by-step explanation:
hope this helped 
 
        
                    
             
        
        
        
Answer:
Area is a size measurement of a two-dimensional surface. Those dimensions (x and y) are perpendicular to each other, and thats why it is squared.