maddiemp9971 maddiemp9971
  • 25-01-2018
  • Mathematics
contestada

The length of a rectangle is twice its width. if the perimeter of the rectangle is 60 cm , find its length and width.

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frenchiegirl
frenchiegirl frenchiegirl
  • 28-01-2018
largeur = x 

longueur  = 2 x 

2 ( x + 2 x ) = 60 

2 x + 4 x = 60

6 x = 60
x = 10 

largeur = 10  et longueur = 20 
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