In Exercises 27 to 30, fill in the missing reasons for each geometric proof.
Given: E is the midpoint of
Prove:
Exercises 27, 28
PROOF  
Statements  Reasons 
1.

1. ? 
2.

2. ? 
3.

3. ? 
4.

4. ? 
5.

5. ? 
6.

6. ? 
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