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josephcho77: Senior | Next Rank: 100 Posts; Posts: 30; Joined: Thu Feb 22, 2007 5:56 pm; Location: Seattle

by josephcho77 » Sat Nov 17, 2007 1:58 am

Can anyone help to solve this problem?
Thanks in advance!

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Source: Beat The GMAT — Problem Solving | Sat Nov 17, 2007 1:58 am

samirpandeyit62: Master | Next Rank: 500 Posts; Posts: 460; Joined: Sun Mar 25, 2007 7:42 am; Thanked: 27 times

by samirpandeyit62 » Sat Nov 17, 2007 4:02 am

let side of the squares be a

so diagonal is rt(2)*a

so length of rectangle = 2*rt(2)*a

& width = rt(2)*a

so perimeter = 6*rt(2)*a = 18*rt(2)

so a = 3

so perimeter = 12 B

Regards
Samir

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