Q. 93.8( 4 Votes )

In a triangle ABC

Answer :

Let the sides be AB = a = 15cm,


BC = b = 13cm and,


AC = c = 14cm.


Sides of triangle are a = 15cm, b = 13cm, c = 14cm.


By Heron’s formula we get area of triangle


=


(where s = s is called as the semi perimeter )…(1)


we get


Substituting the value of s, a, b and c in equation 1 we get



=


=


The area of a triangle is.


The altitude on AC,


AC = c = 14


Now the area of a triangle having base and altitude is given by


=


=


Altitude =



Altitude = 16.92cm


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