In Exercises 13 to 16, provide the missing reasons.
Given:
Prove:
PROOF  
Statements  Reasons 
1.

1. ? 
2.

2. Opposite sides of a

3.

3. ? 
4.

4. ? 
5.

5.? 
5.

6. ? 
To provide:
The missing reasons.
Given:
Given:
Prove:
PROOF  
Statements  Reasons 
1. 
1. ? 
2. 
2. Opposite sides of 
3. 
3. ? 
4. 
4. ? 
5. 6. 
5. ? 6. ? 
Definition:
AA:
If the two angles of one triangle are congruent to the two angles of another triangle, then the triangles are similar.
Description:
Given that
To Prove:
Given
It is known that if two parallel lines AB and DT are cut by a transversal, corresponding angles are congruent.
Therefore,
Since opposite sides of a
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