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# In the xy plane, a circle center is origin and radius is 5.

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In the xy plane, a circle center is origin and radius is 5. [#permalink]  22 Jul 2006, 06:17
In the xy plane, a circle center is origin and radius is 5. Points x(5,0) lie on the circle, what is the distance between x and y?

1) Abscissa of y is 4
2) Ordinate of y is 4
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Re: xy plane [#permalink]  22 Jul 2006, 13:29
from stmt1 and 2,
distance between point x(5,0) and y(4,4) = sqrt(17)
C it is
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Re: xy plane [#permalink]  22 Jul 2006, 15:38
getzgetzu wrote:
In the xy plane, a circle center is origin and radius is 5. Points x(5,0) lie on the circle, what is the distance between x and y?

1) Abscissa of y is 4
2) Ordinate of y is 4

Not sure if this question is worded correctly. Points should refer to 2 points, but only X is mentioned.

If Y is not on the circle, the answer is C.
If you is on the circle, the answer is D.
Re: xy plane   [#permalink] 22 Jul 2006, 15:38
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