13-05-2017
Mathematics

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Can someone help me plz

Can someone help me plz class=

Respuesta :

13-05-2017

The perimeter is the sum of the side-lengths, which we're given! We don't know the value of a, but we can find the perimeter in terms of a by adding up the side-lengths:

[tex]a+(a-1)+a+(a-1) = 4a-2[/tex]

So our answer is [tex]4a-2[/tex].

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