Lesson 1.4AIM: Segments, Rays, Parallel

Lines and Planes

DO NOW: Where do planesBDH and ABF intersect?

Line BF

Naming Segments and Rays

a. Name Segment EF.

EF

b. Name Ray GH.

GH

c. Name a Ray Opposite of FH.

FE

Parallel Lines and PlanesPARALLEL LINES are coplanar and DO

NOT TOUCHSKEW LINES are not coplanar and DO

NOT INTERSECT

a. Name all segments PARALLEL to CD.

AB, GH, and EF

b. Name all segments SKEW to CD

BF, AE, EG, FH, EF

c. Name a plane PARALLEL to GCD

EAB

Parallel Lines and PlanesPARALLEL LINES are coplanar and DO

NOT TOUCHSKEW LINES are not coplanar and DO

NOT INTERSECT

a. Name all segments PARALLEL to CD.

AB, GH, and EF

b. Name all segments SKEW to CD

BF, AE, EG, FH, EF

c. Name a plane PARALLEL to GCD

EAB

Summary Question