4.6A Parallel and Perpendicular Lines

4.6A Parallel and Perpendicular Lines

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Intersecting lines

Lines that cross or will cross if they are extended.

Multiple Choice

What do we call lines that cross?

• Parallel

• Perpendicular

• Intersecting

Open Ended

Will these lines ever intersect? How do you know?

Parallel Lines

Parallel lines will never intersect

Multiple Choice

What do we call lines that will never intersect?

• Parallel

• Perpendicular

• Intersecting

Multiple Choice

These lines are parallel because they will never touch

• true

• false

Multiple Choice

Are these lines parallel?

• Yes

• No

Perpendicular lines

Lines that intersect and create right angles at the point of intersection.

Multiple Choice

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

• Parallel

• Perpendicular

• Intersecting

Multiple Choice

Are these perpendicular lines?

• No

• Yes

Multiple Select

I know these are perpendicular lines because. They form a ___ where they cross.

• right angle

• 90 degree angle

• acute angle

• obtuse angle

Multiple Choice

These are perpendicular lines

• False

• True

Open Ended

Something I learned about __ is that __.