Is quadrilateral Q a square? (1) The sides of Q have the : DS Archive
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# Is quadrilateral Q a square? (1) The sides of Q have the

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Is quadrilateral Q a square? (1) The sides of Q have the [#permalink]

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05 Aug 2008, 18:41
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(1) The sides of Q have the same length.
(2) The diagonals of Q have the same length.
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05 Aug 2008, 18:50
S1. In a square and a rhombus all sides are equal. AD are out
S2. diagonals are equal is not suff. since square and rectangle have both diagonals equal

Combine then you get a square

IMO C
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05 Aug 2008, 19:11
xang wrote:

(1) The sides of Q have the same length.
(2) The diagonals of Q have the same length.

A)

Even diagnols of rectangle have same length
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06 Aug 2008, 18:08
xang wrote:

(1) The sides of Q have the same length.
(2) The diagonals of Q have the same length.

(1) says sides are equal .It can be rhombus too .INSUFFI
(2) just saying diagonals are equal.The quad can be rectangle INSUFFI

(1) and (2)This is true for square IMO C
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07 Aug 2008, 04:26
OA is C.

Thanks to all!

Re: DS - Square   [#permalink] 07 Aug 2008, 04:26
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