Saturday, August 3, 2013

PERIMETER OF TRIANGLE-1



Perimeter of the following triangle is 140. Find the value of a.




Solution.

Perimeter = total of all sides

      100 = 2a + 5a + 3a

      100 = 10a

      10 100    = 110a
         110         110
 
      a = 10


Hence a is 10



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