Proofs Given Parallel Lines

Which lines are proven parallel if Angles 1 and 15 are used?

• none

• s & t

• l & m

Angles 3 and 8 prove parallel lines, true or false?

• true

• false

Angles 1 and 5 prove lines parallel... true or false?

• true

• false

Which parallel lines are proven parallel if Angles 3 and 16 are used?

• none

• s & t

• l & m

• Converse of Corresponding Angles Postulate

• Vertical Angles Theorem

• Reflexive Property of Congruence

• Transitive Property of Equality

• Transistive

• Substitution

• Def. of Cong.

What would the last given to finish the proof

• Converse of Alternate Exterior Theorem

• Converse of Alternate Interior Theorem

• Converse of Corresponding Angle Postulate

• Transitive Property of Equality

• Substitution

• Reflexive Property of Equality

• Transitive Property of Congruence

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• 
• 
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What property/postulate is shown above?

• Alt. Ext

• Cons. Int

• Alt. Int

• Cons. Ext.

• I don't