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Sunday, 18 November 2012

DIVIDE A LINE IN TO ‘n’ EQUAL PARTS


 DIVIDE A LINE IN TO ‘n’ EQUAL PARTS


Start with a line segment AB that we will divide up into 5(in this case) equal parts.    
            


Step 1  
From  point A, draw a line segment at an angle to the given line, and about the same length. The exact length is not important. 





Step 2  
Set the compass on A, and set its width to a bit less than one fifth of the length of the new line.    

   


Step 3 
Step the compass along the line, marking off 5 arcs. Label the last one C.     


Step 4  
With the compass width set to CB, draw an arc from A just below it.           


 
Step 5  
With the compass width set to AC, draw an arc from B crossing the one drawn in step 4. This intersection is point D.  


 
Step 6 
Draw a line from D to B


 
Step 7 
Using the same compass width as used to step along AC, step the compass from D along DB making 4 new arcs across the line.


Step 8  
Draw lines between the corresponding points along AC and DB.   


Step 9 
The lines divide the given line segment AB in to 5 congruent parts is done.



           


     

           



Composed by:  R.Satheesh, M.E., Asst Prof., email: rsatheeshemail@gmail.com.







  

           

2 comments:

  1. Very useful for engineering students, especially for 2nd year students.

    ReplyDelete
  2. thanks for your valuable comments for improving our self.

    ReplyDelete