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             Directions: Examine each proof and determine the missing entries. After clicking the drop-down box, if you arrow down to the answer, it will remain visible. There may be more than one way to solve these problems. These solutions show  one possible solution. 
               
            
             
            
            
              
                
                  
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                      Statements  | 
                      Reasons  | 
                       
                    
                      1.  | 
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                      1.  | 
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                      2.  | 
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                      2.  | 
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                      3.  | 
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                      3.  | 
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                    2.   | 
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                      Statements  | 
                      Reasons  | 
                     
                    
                      1.  | 
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                      1.  | 
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                      2.  | 
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                      2.  | 
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                      3.  | 
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                      3.  | 
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                      4.  | 
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                    3.   | 
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                      Statements  | 
                      Reasons  | 
                     
                    
                      1.  | 
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                      1.  | 
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                      2.  | 
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                      2.  | 
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                      3.  | 
                      ∠ADB, ∠ADC right angles | 
                      3.  | 
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                      4.  | 
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                      4.  | 
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                      5.  | 
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                      5.  | 
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                      6.  | 
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                    4.   | 
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                      Statements  | 
                      Reasons  | 
                     
                    
                      1.  | 
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                      1.  | 
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                      2.  | 
                      ∠ABC, ∠ADC right angles | 
                      2.  | 
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                      3.  | 
                      ΔABC,  ΔADC right triangles | 
                      3.  | 
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                      4.  | 
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                      4.  | 
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                      5.  | 
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                      5.  | 
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                    5.   | 
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                      Statements  | 
                      Reasons  | 
                     
                    
                      1.  | 
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                      1.  | 
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                      2.  | 
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                      2.  | 
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                      3.  | 
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                      3.  | 
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                      4.  | 
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                      4.  | 
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                      5.  | 
                      ∠BDA, ∠BDC right angles | 
                      5.  | 
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                      6.  | 
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                      7.  | 
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                      7.  | 
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