If p is the perimeter of rectangle Q, what is the value of : DS Archive
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# If p is the perimeter of rectangle Q, what is the value of

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If p is the perimeter of rectangle Q, what is the value of [#permalink]

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12 Jan 2008, 10:57
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If p is the perimeter of rectangle Q, what is the value of p?

1) Each diagonal of rectangle Q has length 10
2) The area of rectangle Q is 48.
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12 Jan 2008, 11:27
I'm getting C
let w- width, l - length

statement 1: pythagorean theorem is a starting point. l^2 + w^2 = 100. l and w can be any pair including l=d=5sqrt2 or l=8 and w=6 (64+36=100). insufficient.
statement 2: alone is not sufficient. lw=48, l=12 and w=4

both statements combined narrow down possible answers to l=8, w=6
Re: DS: Perimeter   [#permalink] 12 Jan 2008, 11:27
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