A collar of Styrofoam is made to insulate a pipe. Find its volume. The large radius R is to the outer rim. The small radius r is
 to the edge of the insulation. Use pi almost equals 3.14 .
r=2 in.
R=3 in.
h=15 in.
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Answer:
the answer is r=2in
Step-by-step explanation:
easy to explain but i don't feel like it.
 
                                
             
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Answer:
H=2 k=-1
Step-by-step explanation: