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Example -5


               Find the area of the scalene triangle whose sides are 6 cm,12 cm and 14 cm
               respectively.


               Solution:

               Here, the sides of triangle are



















               AB = 12 cm, BC = 14 cm, AC = 6 cm
























               Example-6

                An isosceles triangle has perimeter 30 cm and each of the equal sides is 12 cm. Find
               the area of the triangle.





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