Question

Write a formal proof of the following theorem. If two parallel lines are cut by a transversal, then the pairs of alternate exterior angles are congruent. ---Select--- If two lines intersect, vertical ?s formed are ?. Transitive Property of Congruence Given Given: ---Select--- Prove: ---Select--- Statements Reasons 1. ---Select--- 1. ---Select--- 2. ---Select--- 2. If two || lines are cut by a transversal, corresponding ?s are ?. 3. ---Select--- 3. ---Select--- 4. ---Select--- 4. ---Select--- ---Select--- ?1 ? ?3 l || m; transversal t ?3 ? ?2 ?1 ? ?2

          Write a formal proof of the following theorem.
If two parallel lines are cut by a transversal, then the pairs of alternate exterior angles are congruent.
---Select---
If two lines intersect, vertical ?s formed are ?.
Transitive Property of Congruence
Given
Given: ---Select---
Prove: ---Select---
Statements Reasons
1. ---Select--- 1. ---Select---
2. ---Select--- 2. If two || lines are cut by a transversal, corresponding ?s are ?.
3. ---Select--- 3. ---Select---
4. ---Select--- 4. ---Select---
---Select---
?1 ? ?3
l || m; transversal t
?3 ? ?2
?1 ? ?2

Write a formal proof of the following theorem.
If two parallel lines are cut by a transversal, then the pairs of alternate exterior angles are congruent.
—Select—
If two lines intersect, vertical ?s formed are ?.
Transitive Property of Congruence
Given
Given: —Select—
Prove: —Select—
Statements Reasons
1. —Select— 1. —Select—
2. —Select— 2. If two || lines are cut by a transversal, corresponding ?s are ?.
3. —Select— 3. —Select—
4. —Select— 4. —Select—
—Select—
?1 ? ?3
l || m; transversal t
?3 ? ?2
?1 ? ?2

Added by Benjamin G.

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