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21 June, 17:24

the sides of a triangle are in the ratio 3: 4: 5 what is the lenghth of each side if the perimeter of the triangle is 90cm

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  1. 21 June, 19:31
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    3x+4x+5x=90

    combine like terms

    12x = 90

    divide by 12

    x = 7.5

    sides: 3 (7.5),4 (7.5),5 (7.5)

    22.5, 30, 37.5
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