Intro to Parallel Line Proofs

If it is given that p ∥ q, what are ALL correct statements that can be made?

• ∠1 ≅ ∠3 by the corresponding angles postulate

• ∠2 and ∠3 are supplementary by the linear pairs postulate

• ∠1 ≅ ∠2 by the alternate exterior angles theorem

Tags

CCSS.HSG.CO.C.9

If you know that angles 1 and 2 are vertical, what else do you know?

• Angles 1 and 2 are congruent

• Angles 1 and 2 are supplementary

• Angles 1 and 2 are right angles

• Angles 1 and 2 are corresponding angles

Tags

CCSS.HSG.CO.C.9

When two parallel lines are cut by a transversal, all pairs of angles created are either _________ or _________.

• Congruent, supplementary

• Congruent, complementary

• Supplementary, complementary

• Corresponding, vertical

Tags

CCSS.HSG.CO.C.9

Which lines are proven parallel if Angles 12&7 are used?

• l & m

• s & t

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

Which lines are proven parallel if Angles 2 and 4 are used?

• s & t

• l & m

Tags

CCSS.HSG.CO.C.9

Which lines are proven parallel if Angles 6 and 10 are used?

• none

• l & m

• s & t

Tags

CCSS.HSG.CO.C.9

Which lines are proven parallel if Angles 1 and 14 are used?

• none

• s & t

• l & m

Tags

CCSS.HSG.CO.C.9

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

• none

• s & t

• l & m

Tags

CCSS.HSG.CO.C.9

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

• true

• false

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

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

• true

• false

Tags

CCSS.HSG.CO.C.9