Answer:
I think this is the answer 
Area 77cm2 
 
        
             
        
        
        
Answer:
225 cm ^ 3 
Step-by-step explanation:
First find the volume of the rectangle that is most horizontal. 
L * W * H = 10 * 3 * 3 = 90
Then find the volume of the most vertical rectangle
L * W * H = 15 * 3 * 3 = 135
add them together to get...
225
 
        
             
        
        
        
Answer:
correct 
Step-by-step explanation: