Angles Formed by Parallel Lines Cut by Transversals

Angles 4 and 1 are what angle pair?

• Complementary

• Linear Pair

• Acute

• Vertical

Angles 1 and 3 are what angle pair?

• Complementary

• Supplementary

• Adjacent

• Vertical

Name the alternate interior angle to angle 3.

• 4

• 5

• 6

• 8

Find D

• ∠D=116°

• ∠D=64°

• ∠D=180°

• ∠D=26°

-Angles outside the lines (exterior) that lie on the same side of the transversal.

-SUPPLEMENTARY when lines are parallel

• Alternate Interior Angles

• Same-Side Interior Angles

• Alternate Exterior Angles

• Same-Side Exterior Angles

-Angles in the same place on different lines

• Corresponding Angles

• Alternate Interior Angles

• Bisecting Angles

• Supplementary Angles

-Angles that lie outside a pair of lines (exterior) and on opposite sides of a transversal (alternate.)

-CONGRUENT when lines are parallel

• Same Side Exterior Angles

• Corresponding Angles

• Linear Pair

• Alternate Exterior Angles

-Angles Between the lines (interior) and on the same side of the transversal.

-SUPPLEMENTARY when lines are parallel

• Supplementary Angles

• Same Side Interior Angles

• Linear Pair

• Vertical Angles

• 145^o

• 80^o

• 131^o

• 110^o

• 104^o

• 115^o

• 124^o

• 119^o