Unit 2B Test Review (Lines and Transversals Proofs)

 $Given\ \angle4\cong\angle15,\$  which lines, if any, are parallel? Explain.

• a||b, alternate interior angles converse

• a||b, alternate exterior angles converse

• c||d, alternate interior angles converse

• c||d, alternate interior angles converse

• Not Parallel

 $Given\ \angle1\cong\angle12,\$  which lines, if any, are parallel? Explain.

• a||b, consecutive interior angles converse

• a||b, consecutive exterior angles converse

• c||d, alternate interior angles converse

• c||d, alternate interior angles converse

• Not Parallel

 $Given\ \angle11\ and\ \angle12$ are supplementary, which lines, if any, are parallel? Explain.

• a||b, corresponding angles converse

• c||d, corresponding angles converse

• c||d, linear pair converse

• Not Parallel

 $Given\ \angle10\ and\ \angle11$ are supplementary, which lines, if any, are parallel? Explain.

• a||b, corresponding angles converse

• c||d, consecutive exterior angles converse

• a||b, consecutive interior angles converse

• c||d, consecutive interior angles converse
  

• Not Parallel

 $Given\ \angle14\ and\ \angle16$ are congruent, which lines, if any, are parallel? Explain.

• a||b, corresponding angles converse

• c||d, corresponding angles converse

• c||d, vertical angle converse

• Not Parallel

What angle measure relationship would exist if l||m?

• Congruent

• Supplementary

• A relationship does not exist

Solve for the value of x that would make l||m

• x = 9

• x = 13

• x = 22

• x = 4

What angle measure relationship would exist if l||m?

• Congruent

• Supplementary

• A relationship does not exist

Solve for the value of x that would make l||m.

• x = 9

• x = 17

• x = 15

• x = 22

What angle measure relationship would exist if l||m?

• Congruent

• Supplementary

• A relationship does not exist