# The side of a triangle are in the ratio 3:4:5 and its perimeter is 84.find the lenght of its sides

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by lovingumann

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by lovingumann

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so, 3x+4x+5x = 84 cm

12x = 84 cm

x=84/12

x = 7cm

therefore, 3x = 21 cm

4x = 28 cm

5x = 35 cm