A certain circular area has its center at point P and has : DS Archive
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# A certain circular area has its center at point P and has

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A certain circular area has its center at point P and has [#permalink]

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03 Nov 2007, 23:07
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A certain circular area has its center at point P and has radius 4, and points X & Y lie in the same plane as the circular area. Does point Y lie outside the circular area?
1. The distance between point P and point X is 4.5
2. The distance between point X and point Y is 9.
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03 Nov 2007, 23:18
Using both the stat we culd say that the point Y lies outside the circle.....
stat A : distance between X and P is 4
stat B: distance between X and Y is 9

the sum of the distance between center point P and X is 4.5+ 4 (radius) = 8.5 therefore the point is outside the circle.
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04 Nov 2007, 05:27

This can be better understood if u draw
04 Nov 2007, 05:27
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