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The lengths of sides of a triangle are in the ratiio `2:3:4`. If the perimeter of the triangle is 63 cm, find the lengths of the sides of the triangle.

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Let the sides of triangle be 2x+3x and 4x, then `2x+3x+4x=63rArr 9x = 63 rArr x=7`
`therefore The sides of triangle = 2x,3x,4x=14,21,28
` 63xx2/((2+3+4))` and `63xx2/((2+3+4))`
and `63xx4/((2+3+4))=14,21` and
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