2001 AMC 10 Problems/Problem 4
Problem
What is the maximum number of possible points of intersection of a circle and a triangle?
Solution
Here is the picture: http://www.artofproblemsolving.com/Forum/download/file.php?id=6658&
We can draw a circle and a triangle, such that each side is tangent to the circle. This means that each side would intersect the circle at one point.
You would then have
points, but what if the circle was bigger? Then, each side would intersect the circle at 2 points.
Therefore,
.
See Also
| 2001 AMC 10 (Problems • Answer Key • Resources) | ||
| Preceded by Problem 3 |
Followed by Problem 5 | |
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| All AMC 10 Problems and Solutions | ||