Find three sides of a triangle if it’s perimeter is 36cm and it’s sides are in the ratio of 3:4:5 also find the area of the triang

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1. Answer:

   3x+4x+5x=36 , x =3

   sides will be 9 , 12 ,15

   now use herons formula to find the area

   √s(s-a) s(s-b) s(s-c)

   where s is half of perimeter and a b c are sides

   if you got it then mark this answer as brainlist

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