Answer:
Option B.
Step-by-step explanation:
The given quadratic equation is

We need to find the solution of given quadratic equation.
Divide both sides by 9.


Taking square root on both sides.


The solution of given equation are  and
 and  .
.
Therefore, the correct option is B.
 
        
                    
             
        
        
        
If the diameter of the cone is 5, then the radius of it will be half that, or 2.5, thus
 
 
        
        
        
I think you worded that a little wrong
        
             
        
        
        
Step-by-step explanation:
I think D
But I am not sure
sorry unknowingly I typed option A
 
        
                    
             
        
        
        
I don’t know the answer I need these points soooo yeah