aulinacatalan17 aulinacatalan17
  • 07-12-2017
  • Mathematics
contestada

a rectangle picture frame has a width of 9cm and a length of x cm .
which expression represents the perimeter of the picture frame?
2(x+18)
2x+9
2x+18
x +9

Respuesta :

hienh4517 hienh4517
  • 07-12-2017
Formula of perimeter = L.W.L.W also 2L x 2W
So width is 9cm x 2 = 18
X is length so
2x
Answer is 2x + 18
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