In Exercises 19 to 24, complete each proof.
Given: 



PROOF  
Statements  Reasons 
1.

1. ? 
2.

2. ? 
3. ?  3. ASA 
4.

4. ? 
5. ?  5. If a quadrilateral has two pairs of

To complete:
The each proof.
PROOF  
Statements  Reasons 
1. 
1. ? 
2. 
2. ? 
3. ?  3. ASA 
4. 
4. ? 
5. ?  5. If a quadrilateral has two pairs of 
Given,
Completion of the proof,
PROOF  
Statements  Reasons 
1. 
1. Given 
2. 
2. Identity 
3. 
3. ASA 
4. 
4. CPCTC 
5. 
5 
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