Proving Parallel Lines Review

• $\angle8\cong\angle6$

• $\angle8\cong\angle3$

• $\angle8\cong\angle9$

• $\angle8+\angle6=180$

• <5 and <6

• <2 and <8

• <4 and <5

• <4 and <6

• $\angle3\ \&\ \angle4$

• $\angle1\ \&\ \angle2$

• $\angle2\ \&\ \angle5$

• $\angle2\ \&\ \angle3$

• $\angle6\ \&\ \angle14$

• $\angle4\ \&\ \angle10$

• $\angle2\ \&\ \angle3$

• $\angle5\ \&\ \angle6$

• 25

• 22

• 24

• 20

• $\angle1\cong\angle6$

• $\angle6\cong\angle5$

• $\angle3\cong\angle5$

• $\angle1\cong\angle3$

• $\angle9$

• $\angle12$

• $\angle3$

• $\angle16$

• $w\parallel x\ and\ x\parallel y$

• $w\parallel x\ and\ y\parallel z$

• $w\parallel z\ and\ x\parallel y$

• $w\parallel y\ and\ x\parallel z$

• a linear pair

• consecutive interior angles

• alternate interior angles

• corresponding angles

• $\angle1\cong\angle3$

• $\angle4\ \&\ \angle5\$ are supplementary

• $\angle2\cong\angle3$

• $\angle3\ \&\ \angle4$ are supplementary