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

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Intern
Joined: 27 Nov 2004
Posts: 30
Location: Vienna, Austria
Is quadrilateral Q a square? (1) The sides of Q have the [#permalink]

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20 Jan 2005, 14:32
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(1) The sides of Q have the same length.
(2) The diagonals of Q have the same length.
Intern
Joined: 27 Nov 2004
Posts: 30
Location: Vienna, Austria

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20 Jan 2005, 14:48
i thought either criterion (a or b) would be sufficient to define a square...u r right...
thanks.
Director
Joined: 07 Jun 2004
Posts: 612
Location: PA

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20 Jan 2005, 15:56
F

for a square all sides shoudl be qual and the diagonals bisect and are equal in length the only execption is that in rombuz the diagonals do not bisect but the sides are equal.

rxs0005

Manager
Joined: 06 Dec 2004
Posts: 69
Location: san diego
Re: DS: geometry and properties [#permalink]

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20 Jan 2005, 22:18
Dr_Friedrich wrote:
(1) The sides of Q have the same length.
(2) The diagonals of Q have the same length.
says

I am going b on this one

A) the sides of Q can be of = length and not a square when you are dealing with a parallelogram

b) This is is a defining property of a square
Manager
Joined: 06 Dec 2004
Posts: 69
Location: san diego

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20 Jan 2005, 22:22
Can someone provide me a scenario where you have a quadrelateral with = diagonals and it is NOT a square.

I can not picture this conceptually.

Thanks
Director
Joined: 07 Jun 2004
Posts: 612
Location: PA

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21 Jan 2005, 07:00
A Rectangle is a quad with = diagonals but diff opp sides so thts not a square.
Manager
Joined: 06 Dec 2004
Posts: 69
Location: san diego

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21 Jan 2005, 09:51
Nevermind.... i figured it out.... god i feel dumb sometimes.
21 Jan 2005, 09:51
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