Three students attempt to define what it means for lines I and m to be parallel m Can you match the teacher s comments to the definitions Definition of parallel lines Daniela s definition Lines I and m are parallel if they intersect at right angles Ori s definition Lines I and m are parallel if they go in the same direction Kaori s definition At every point on line 1 line m is the same distance away Teacher s comments Were you thinking of perpendicular lines Yes Well done Here have a cookie You ve earned it It seems like you ve got the basic idea but your definition could be more precise