obietre3
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  • 19-04-2016
  • Mathematics
contestada

find the unknown measure of the rectangle
perimeter = 54
width =

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Аноним Аноним
  • 19-04-2016
so first u do 54=20+20+A+A a is a variable that we r using for unknown side 
than 40=40+2A 
14=2A
A=7 i hope u know what i am trying to explain if u have any question please tell me =)
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