11-10-2015
Mathematics

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Calculate the perimeter of a rectangle with sides 9cm and 13cm

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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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