2 answers:
            
              
              
                
                
- Radius=r=15ft
- Height=h=120ft




 
                                
             
                    
              
              
                
                
Answer:
Step-by-step explanation:
Since the tanks are congruent, they both have same volume.
If you rejoin them, it will form a cylinder with the radius of 15 ft and height of 120 ft.
<u>The volume of the cylinder:</u>
- V = πr²h = 3.14*15²*120 = 84780 ft³
<u>The volume of each tank is half the volume of the cylinder:</u>
- V(tank) = 84780 / 2 = 42390 ft³
 
                                
             
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