Parallelism

Which of the following are alternate interior angles?

•  $\angle4\ and\ \angle5$  

•  $\angle3\ and\ \angle5$  

•  $\angle1\ and\ \angle2$  

•  $\angle3\ and\ \angle6$  

If ∠7=123°, then ∠1=_____.

• 132°

• 75°

• 57°

• 123°

Tags

CCSS.7.G.B.5

If two parallel lines are cut by a transversal, then __________.

• alternate interior angles are supplementary

• alternate exterior angles are congruent

• same side interior angles are congruent

• corresponding angles are supplementary

If ∠1=119°, then ∠8=_____.

• 61°

• 81°

• 119°

• 161°

Tags

CCSS.HSG.CO.C.9

Which of the following are corresponding angles?

• ∠4 and ∠6, ∠3 and ∠5

• ∠1 and ∠7, ∠2 and ∠8

• ∠1 and ∠5, ∠2 and ∠6

• ∠4 and ∠5, ∠3 and ∠6

Tags

CCSS.HSG.CO.C.9

Which of the following statements is NOT true?

• ∠1 and ∠5 are corresponding angles

• ∠4 and ∠6 are alternate interior angles

• ∠1 and ∠7 are alternate exterior angles

• ∠4 and ∠8 are same side interior angles

Which of the following guarantees that $l_1\parallel l_2$ ?

•  $\angle1\cong\angle8$  

•  $\angle4\cong\angle5$  

•  $\angle3\cong\angle5$  

•  $\angle3\cong\angle8$  

The figure shows that  $\angle2$  and  $\angle8$  are _____.

• same side exterior angles

• alternate exterior angles 

• corresponding angles

• alternate interior angles

If two parallel lines are cut by a transversal, then same side exterior angles are _____.

• congruent

• supplementary

• complementary

• equal

Which of the following are same side interior angles?

• ∠4 and ∠6, ∠3 and ∠5

• ∠1 and ∠7, ∠2 and ∠8

• ∠1 and ∠5, ∠2 and ∠6

• ∠4 and ∠5, ∠3 and ∠6