mariamgh mariamgh
  • 25-11-2018
  • Mathematics
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potatonite
potatonite potatonite
  • 25-11-2018
Okay, so basically we have:
w as width; and 6+w as length

Perimeter=2w+2l

just substitute it with the values of width and length

P=2w+2(6+w)
P=2w+12+2w
P=4w+12

So, the answer is letter B.
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