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16-03-2017
Mathematics

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Use an algebraic equation to solve the problem. the sides of a triangle are in the ratio 3 : 4 : 5. what is the length of each side if the perimeter of the triangle is 90 cm?

Respuesta :

19-03-2017

3x+4x+5x=90

12x=90

x=15/2 so the sides are:

22.5cm, 30cm, 37.5cm

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