please answer this question regarding area of triangle
here we have given c=AB=13 , a=BC=15 and length of median on AC= 7 = length of BD and let AC=b
BD2= 1/4 ( 2c2+2a2-b2)
by this formula we can calculate b since a and c are given.
then find triangle area using formula A= s(s-a)(s-b)(s-c)
where s= (a+b+c)/2
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