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# Which of the following lists the number of points at which a

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Senior Manager
Joined: 05 Oct 2008
Posts: 273
Which of the following lists the number of points at which a [#permalink]

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08 Nov 2008, 04:36
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Which of the following lists the number of points at which a circle can intersect a triangle?

2, 6
2,4, 6
1,2,3,6
1,2,3,4,6
1,2,3,4,5,6
Intern
Joined: 07 Nov 2008
Posts: 32

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08 Nov 2008, 05:21
what are these lists of numbers?
points in rectangular coordinate?
Intern
Joined: 17 Oct 2008
Posts: 31

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08 Nov 2008, 06:38
A circle can intersect a triangle at a max of 6 points.

Refer to the picture.

VP
Joined: 05 Jul 2008
Posts: 1408

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08 Nov 2008, 10:09
Senior Manager
Joined: 05 Oct 2008
Posts: 273

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08 Nov 2008, 11:53
I candy thanks for the link. I did go through it. It doesn't provide the best solution, as tangent is not the same as intersect? And hence wanted some more thoughts on the problem. Any idea?
VP
Joined: 05 Jul 2008
Posts: 1408

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08 Nov 2008, 12:01
from wikipedia : A tangent line t to a circle C intersects the circle at a single point T.

I considered tangent as a line that does not intersect, but apparently I was wrong and hence my solution was wrong.
Re: Circle   [#permalink] 08 Nov 2008, 12:01
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