Question

sides of a triangle are in the ratio of 12:17 : 25 and it's perimeter is 540 cm .find it's area?​

Answer 1

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Given:-

Ratio of sides of triangle= 12:17:25

Perimeter=540cm

Let the sides be x= 12x:17x:25x

Perimeter of △= sum of all sides

12x+17x+25x=540

54x=540

$\sf \: x = \frac{540}{54} = 10$

Sides of triangle:-

12x=12×10=120cm

17x=17×10=170cm

25x=25×x=250cm

Hope it helps you.....