Answer:
d. 15 square yard
Step-by-step explanation:

 
        
                    
             
        
        
        
Answer:
Yes you are correct :)
Step-by-step explanation:
Used a graphing calculator 
 
        
                    
             
        
        
        
A convex polygon 
Hope this helps :)
        
             
        
        
        
Answer:
Step-by-step explanation:
This solid figure is a cone,
Volume=(πr²H)/3 cubic units
r ----> radius
H -------> height