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by relaxin99 » Thu Feb 12, 2009 2:24 pm
Which of the following lists the number of points at which a circle can intersect a triangle?

A) 2 and 6 only
B) 2, 4, and 6 only
C) 1,2 ,3 and 6 only
D) 1, 2, 3, 4, and 6 only
E) 1, 2, 3, 4, 5 and 6 only

The answer is E, can someone explain
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by VP_Jim » Thu Feb 12, 2009 2:51 pm
Honestly, I'd probably just draw it. I just drew a few triangles and circles in my head, and found ways to do everything from 1 to 6.

Actually, I tried "5" first, since there was only one answer choice with 5. Since I could do it, that must be the answer.
Last edited by VP_Jim on Thu Feb 12, 2009 11:08 pm, edited 1 time in total.
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by awesomeusername » Thu Feb 12, 2009 3:51 pm
Yes, the shapes are crude, but you get the point.
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by VP_Jim » Thu Feb 12, 2009 11:09 pm
Nice artwork!
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by mjjking » Fri Feb 13, 2009 1:24 am
one question... touching = intersect as well?

does a line tangent to a circle intersect it as well?

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by VP_Jim » Fri Feb 13, 2009 9:40 am
Yes, a tangent line "intersects" at one point (like some of those triangles above).
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