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# Square ABCD is inscribed in circle O. What is the area of

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Manager
Joined: 06 Nov 2008
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Square ABCD is inscribed in circle O. What is the area of [#permalink]  19 Nov 2008, 18:31
Square ABCD is inscribed in circle O. What is
the area of square region ABCD?
(1) The area of circular
region O is 64л.
(2) The circumference of
circle O is 16 л.
SVP
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Re: square ABCD--25 [#permalink]  20 Nov 2008, 03:37
I seem to have seen this question before. Since, the question does not specifically tells whether all the vertices of the square are on the circle, answer should be E.
Manager
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Re: square ABCD--25 [#permalink]  20 Nov 2008, 04:25
"inscribed" means that the square touches the circle on all four vertices.
Should be D then...
Senior Manager
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Re: square ABCD--25 [#permalink]  20 Nov 2008, 04:28
I would go with D too

'Inscribed' means all 4 vertices touching the circle, with its Diagnol = Diameter

What is the OA ?
Intern
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Re: square ABCD--25 [#permalink]  20 Nov 2008, 09:16
Answer is D as inscribed means that vertices lie on the circle.
Re: square ABCD--25   [#permalink] 20 Nov 2008, 09:16
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