Thursday, September 30, 2010

Parallel and Perpendicular Lines

9-30-10 Today we learned about parallel and perpendicular lines.
Parallel lines are line segments that will never intersect.  Examples:

Parallel lines of different lengths
Lines, 2 Parallel Horizontal


3 slanted parallel lines

Lines, 3 Parallel Slanted


Perpendicular lines are when two lines intersect to form a right angle.  (Right anle is a 90 degree angle.)  Example:

Perpendicular Lines

Please help your child recognize parallel and perpendicular lines around them.  Examples:


                   


                     

For more information:
Parallel Lines
Perpendicular Lines