Basic geometry

Parallel lines are lines that will...

• stop
• cross each other
• never cross each other

Which two lines are perpendicular to each other?

• AB & CD
• AB & EF
• AB & GH
• CD & EF

How many sets of parallel lines des this shape have?

• 0

• 1

• 2

Which symbol matches the following word?

Perpendicular

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The green lines are...

• Intersecting

• Parallel

• Perpendicular

How many sets of parallel lines does this shape have?

• 0

• 1

• 2

What type of line is pictured?

• perpendicular
• parallel
• intersecting

The symbol ⊥ is used for which of the following notations?

• Parallel Lines

• Perpendicular lines

• Congruency

• Opposite Rays

What type of lines are these?

• parallel

• perpendicular

• intersecting

• None of these

Answer explanation

If you see a right angle, then the lines that created it are perpendicular!

What type of lines are this ones?

• Perpendicular lines

• Parallel lines

• Not parallel or perpendicular lines