Sides of a triangle are in the ratio 13:14:15 and its perimeter is
84cm. Find its area.
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Answer:
let the sides be 13x , 14x , 15x
A/q,
perimeter = 13x + 14x+ 15x
84 = 42x
84/ 42 = x
x= 2
area of triangle is equals to 1 by 2 into length into breadth so ,
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