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please answer this question regarding area of triangle

Asked by sahiljain 2nd June 2008, 7:10 AM
Answered by Expert
Answer:

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

Answered by Expert 8th September 2008, 6:58 PM
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