sides of a triangle are in the ratio of 12:17:25 and it's perimeter is 540 cm .find it's area
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the sides are 12x, 17x,25x
according to the question
perimeter of triangle = sum of three sides
540 = 12x +17x+25x
540 = 54x
x = 540 ÷ 54
x= 10
the sides are 120cm,170cm,250cm.
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