A question from prep--please help

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A question from prep--please help

by selina.yang » Wed Mar 09, 2016 11:59 am
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

Actually, I do not understand the question, Can anyone help? Thanks.
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by Brent@GMATPrepNow » Wed Mar 09, 2016 12:10 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

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Answer: E

The important takeaway here is that "intersect" does not necessarily mean "pass through"
So, a line that is tangent to a circle (touching the circle but not passing through it) can be said to intersect the circle. To intersect is to share a common point.

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Brent
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by selina.yang » Wed Mar 09, 2016 12:19 pm
Wow... understand better now. Thank you.

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by [email protected] » Wed Mar 09, 2016 8:45 pm
Hi selina.yang,

This question was discussed in detail here:

https://www.beatthegmat.com/gmat-prep-1-t284488.html

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Rich
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