Question

If a,b,c are sides of a triangle and s be its semi –perimeter and (s-a) =90, (s-b)=50 , (s-c)=10 ,then find value a.

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Answer 1

Answer:s=a+b+c/2

Explanation:let s is equal to x (x-a)=50. A=50-x

Answer 2

Answer:

= a+b+c/ 2

=90+50+10/2

=150/2

=75

a=75