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sur4g sur4g
  • 11-02-2017
  • Mathematics
Answered

The length of a rectangle is 6 cm shorter than twice the width. The perimeter of the rectangle is 42 cm. Find the length and the width of the rectangle show your work

Verified Answer :

christinann062
christinann062 christinann062
  • 11-02-2017

42=(2w-6)+(2w-6)+w+w
42=6w-12
54=6w
w=9

42=2l+18
24=2l
l=12

length= 12cm, width= 9cm 

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dianaesflo
dianaesflo dianaesflo
  • 11-02-2017

Is 15 because 15 + 15 + 6 +6 =42

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