Geometry CFA Review

Line l and m are cut by transversal n.  Which statement proves that line l is parallel to line m?

• ∠2 ≅ ∠3
• ∠2 ≅ ∠6 
• m∠7 + m∠8 = 180°
• m∠3 + m∠5 = 90°

Which condition will prove that line l is parallel to line m?

• ∠1 ≅ ∠3
• ∠3 ≅ ∠5
• ∠1 ≅ ∠6
• ∠6 ≅ ∠5

Which could be used to prove the lines are parallel?

• Converse Corresponding Angles
• Converse Alternate Interior
• Converse Linear Pair
• Cannot be proved parallel

Which could be used to prove the lines are parallel?

• Converse Alternate Interior
• Converse Corresponding
• Converse Alternate Exterior
• Cannot be proved parallel

Which could be used to prove the lines are parallel?

• Converse Vertical
• Converse Alternate Interior
• Converse Corresponding
• Cannot be proved parallel

Which could be used to prove the lines are parallel?

• Converse Alternate Interior
• Converse Corresponding
• Converse Consecutive Interior
• Cannot be proved parallel

What statement is missing? BE CAREFUL here. You are not filling in the missing reason. 

•  Alt Int Angle Post
• Alt Int Angle Definition
• Alt Int Angle Thm
• <6 and <3 are alternate interior angles.

 Fill in the missing reason. 

• Def Alt Ext Angles
• Alt Ext Angle Thm
• Alt Ext Angle Convese

 What statement is missing? BE CAREFUL here.  You are not stating why n || m. 

• <3 and <5 are Same Side Interior Angles
• S S Int Thm
• Definition Alternate Interior Angles 
• Congruent Supplements Thm

In the figure below, the three lines are parallel and cut by the transversal, t.  Which of the following is NOT a pair of same side interior angles?

• 2 and 5
• 8 and 9 
• 4 and 11
• 8 and 11