Answer:
it's D
Step-by-step explanation:
i just know what I am talking about
 
        
             
        
        
        
A plane cuts horizontally across a rectangular pyramid will always be a rectangle. (Answer B)
        
                    
             
        
        
        
M+p=475
m=p-61
replace m in equation 1 with p-61: p-61+p=475
2p=475+61=536
p=268
m=207
        
             
        
        
        
Answer: he needs to mesure
Step-by-step explanation: