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Mathematics 13 Online
OpenStudy (yacoub1993):

http://prntscr.com/38tm13

OpenStudy (anonymous):

|dw:1397164591762:dw|

OpenStudy (anonymous):

And, perimeter of a rect. is 2(l+b), so all you need to do is : 2(root13 + 7root13)

OpenStudy (yacoub1993):

i got A 16sqrt13

OpenStudy (anonymous):

Perfect :)

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