3-1

3-1 Lines and Angles

page 140

10/8/20

Parallel Lines - coplanar lines that do not intersect.

| | means "is parallel to"

Skew lines - noncloplaner; not parallel and do not intersect

Parallel Planes - Planes that do not intersect.

*segment and rays can also be parallel or skew*

Multiple Choice

What is the similarly between skew lines and parallel lines?

• The are both coplanar

• They both intersect

• The are both noncoplanar

• They neither intersect

Multiple Choice

Which plane is parallel to plane CDG?

• Plane ABC

• Plane ADE

• Plane BEF

• Plane BCG

Multiple Choice

Two lines that do not intersect and are not in the same plane are called __________.

• parallel

• perpendicular

• skew

• curved

Multiple Choice

Which line is skew to $\overline{FG}$  ?

•  $\overline{EH}$  

•  $\overline{DC}$  

•  $\overline{AD}$  

•  $\overline{FB}$  

Multiple Choice

 $\angle1$  and  $\angle2$  are ___.  

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

Multiple Choice

 $\angle5$  and  $\angle6$  are ___.  

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

Multiple Choice

 $\angle4$  and  $\angle8$  are ___.  

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

Multiple Choice

 $\angle7\$  and  $\angle5$  are ___.  

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

Multiple Choice

 $\angle3\$  and   $\angle2$   are ___.  

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

Multiple Choice

 $\angle3$  and   $\angle7$  are ___.  

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these