Answers

2015-08-10T10:46:13+05:30
Line:
  there is no perfect definition for a line .in our many of the daily uses we use this lines:
   1.in mathematical constructions
   2.in building works
   3.in crafts.
   4 in road  constructions.
   5. in laying railway tracks. etc.
 thus ,lines are used in our day to day life.
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2015-08-10T15:57:53+05:30
straight r used in many cases in our daily life- 

1. lines r used 2 make quadrilaterals___ mean many properties r taken 4m it for art ,design and architecture 

2. lines r used 2 make columns to differentiate our works. 

3. r used to represent many data in graph. 

4. lines r used to write. 

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