Perpendicular and Parallel Lines

What tool can help you draw parallel lines?

• Compass

• Ruler

• Protractor

• Triangle

Two lines that intersect to form four right angles.

• perpendicular lines

• line of symmetry

• line segment

• intersecting lines

• parallel lines

What do we call lines that intersect and form 90 degree angles?

• Parallel

• Perpendicular

• Intersecting

Which of the figures do NOT appear to show a pair of parallel lines?

• A

• B

• C

• D

• A

• B

• C

• D

A drawing is shown.

• Two line segments that appear to be parallel

• Two line segments that appear to be perpendicular

• Two lines that appear to be parallel.

• Two lines that appear to intersect.

In which drawing does line m appear to be perpendicular to line k?

• 
• 
• 
• 

Oscar draws two lines on his paper. The lines are always one inch apart and do not intersect.

Which term can be used to name what Oscar drew?

• Perpendicular Lines

• Parallel Lines

• Intersecting Lines

• Line Segments

• A

• B

• C

• D

• A

• B

• C

• D