harus harus
  • 11-10-2015
  • Mathematics
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Calculate the perimeter of a rectangle with sides 9cm and 13cm

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KWAM
KWAM KWAM
  • 11-10-2015
9 x 2= 18.   13x 2=26      26+18=44cm
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Аноним Аноним
  • 11-10-2015
So if 9cm +9cm=18cm then if you do 13cm +13cm=26cm then if you add 18cm + 26cm =44 cm
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