Answer:
C. Many ang sagot............ 
 
        
             
        
        
        
Answer:
17.5 Liters 
Step-by-step explanation:
I got it right on a test so I hope this helps you! 
 
        
                    
             
        
        
        
Answer:
 The two possible cases are
(i) the base angles are each 40° and the vertex angle is 100°,
(ii) the base angles are each 70° and the vertex angle is 40°.
Step-by-step explanation: