Question

copy and complete the statement with sometimes, always, or never.

1. if two lines are parallel, then they _? intersect.
2. if one line is skew to another, then they are _? coplanar.
3. if two lines intersect, then they are _? perpendicular.
4. if two lines are coplanar, then they are _? parallel.

copy the diagram and sketch the line.

1. line through m and parallel to $overrightarrow{np}$.
2. line through n and perpendicular to $overrightarrow{mp}$.
3. line through m and perpendicular to $overrightarrow{mp}$.
4. line through p and parallel to $overrightarrow{mn}$.

Explanation:

Step1: Definición de líneas paralelas

Las líneas paralelas no se intersectan.

Step2: Definición de líneas en calaballo

Las líneas en calaballo no son coplanares.

Step3: Intersección de líneas

Dos líneas que se intersectan no siempre son perpendiculares.

Step4: Líneas coplanares

Dos líneas coplanares no siempre son paralelas.

Answer:

1. never
2. never
3. sometimes
4. sometimes