The lines that never intersect are called .

Use a ruler or straight edge to draw line $CD$.

Use a ruler or straightedge to draw a ray $AB$.

Use a ruler or straightedge to draw a line segment $MN$.

 Which line is parallel to line $AB$

Name a line which intersect $CD$

Name the lines which are perpendicular to $GH$.

How many lines are parallel to$IJ$

Will $EF$ intersect $AB$? Explain.