Parallel and Perpendicular Lines Vocabulary

What type of lines are shown?

• parallel lines

• right angles

• intersecting lines

• perpendicular lines

What type of lines are shown?

• intersecting lines

• perpendicular lines

• acute angles

• obtuse angles

Lines in the same plane that never intersect and are always the same distance apart.

• line

• line of symmetry

• line segment

• intersecting lines

• parallel lines

Two lines that intersect to form four right angles.

• perpendicular lines

• line of symmetry

• line segment

• intersecting lines

• parallel lines

What is this picture representing?

• Parallel Lines

• Perpendicular lines

• Congruent Segments

• Angle

How can the poles and the wire in the diagram be described? Pole 1 and Pole 2 are ​ (a)   because they are the same distance apart and do not cross each other. The wire and Pole 1 are ​ (b)   because they cross each other at a right angle.​

• Parallel

• Perpendicular

• angle

• point

• lines

• acute angles

Two lines are ​ (a)   if they are in the same plane but don't intersect. ​

Two lines are ​ (b)   if they intersect to form a right angle.

• parallel

• perpendicular

How can the poles and the wire in the diagram be described? Pole 1 and Pole 2 are ​ (a)   because they are the same distance apart and do not cross each other. The wire and Pole 1 are ​ (b)   because they cross each other at a right angle.​

• Parallel

• Perpendicular

• angle

• point

• lines

• acute angles

How can the poles and the wire in the diagram be described?

• Parallel

• Perpendicular

• angle

• point

• lines

• acute angles

• perpendicular lines
• parallel lines
• vertex
• intersecting