Class 6 Maths Understanding Elementary Shapes Perpendicular Lines

Perpendicular Lines

Two lines are said to be perpendicular to each other if they intersect and the angle between them is a right angle i.e. 900.

      Class_6_Maths_Understanding_Elementary_Shapes_Prependicular_Line                                                     

In the above figure, the lines AB and CD are perpendicular lines and it is written as AB Ʇ CD.

Problem: Which of the following are models for perpendicular lines:

(a) The adjacent edges of a table top.                                  (b) The lines of a railway track.

(c) The line segments forming the letter ‘L’.                        (d) The letter ‘V’.

Solution:

(a) The adjacent edges of a table top are perpendicular to each other.

                  Class_6_Maths_Understanding_Elementary_Shapes_Table_Top                               

(b) The lines of a railway track are parallel to each other.

                    Class_6_Maths_Understanding_Elementary_Shapes_Railway_Track                                       

 

(c) The line segments forming the letter ‘L’ are perpendicular to each other.

               Class_6_Maths_Understanding_Elementary_Shapes_L_Shape                                                 

(d) The sides of letter ‘V’ are inclined at some acute angle on each other.

                   Class_6_Maths_Understanding_Elementary_Shapes_V_Shape                                            

Hence, (a) and (c) are the models for perpendicular lines.

 

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