Terminology of Lines in Math

What are parallel lines?

• Lines that form square corners
• lines that never intersect
• lines that pass through the same point
• lines that curve on an angle

Which figure shows a set of perpendicular lines?

• Figure 1
• Figure 2
• Figure 3
• Figure 4

Which figure shows a set of parallel lines?

• Figure 1
• Figure 2
• Figure 3
• Figure 4

Which figure shows a set of lines that are intersecting and are not perpendicular?

• Figure 1
• Figure 2
• Figure 3
• Figure 4

The yellow yard lines are an example of what type of line?

• perpendicular lines
• parallel lines
• intersecting lines
• number lines

Which lines in the figure appear to be parallel?

• QT and PV
• QT and RX
• RX and SW
• SW and PV

What are parallel lines?

• Lines that cross, but do not form a 90 degree angle.
• Lines that cross at a 90 degree angle.
• Lines that are curved.
• Lines that will never cross.

What is the name of two lines that cross?

• intersecting lines
• parallel lines
• point
• line segment

What do you call lines that cross to form a 90 degree angle?

• Perpendicular lines
• Parallel lines
• Intersecting lines
• Right angles

Which word describes these lines?

• intersecting
• perpendicular
• parallel