juliestaten5531 juliestaten5531
  • 24-08-2017
  • Mathematics
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The perimeter of a rectangle is 42 m. the length of the rectangle is 3 m more than twice the width. find the dimensions of the rectangle.

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musiclover10045
musiclover10045 musiclover10045
  • 24-08-2017

42/2 = 21

 21 = w +2w+3

21 = 3w +3

18 =3w

w = 18/3 = 6

 width is 6

 length = 6x2=12+3 = 15

6+6+15+15 = 42


 width = 6 m

 length = 15 m

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