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

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Which figure shows a set of perpendicular lines?

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

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Which figure shows a set of parallel lines?

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

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

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

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

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

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Which lines in the figure appear to be parallel?

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

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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.

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What is the name of two lines that cross?

• intersecting lines
• parallel lines
• point
• line segment

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

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

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Which word describes these lines?

• intersecting
• perpendicular
• parallel

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