Difference between revisions of "2019 AMC 8 Problems/Problem 6"
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Revision as of 14:42, 21 November 2019
Problem 6
There are grid points (uniformly spaced) in the square shown in the diagram below, including the points on the edges. Point is in the center of the square. Given that point is randomly chosen among the other 80 points, what is the probability that the line is a line of symmetry for the square?
Solution 1
Lines of symmetry go through point P, and there are 8 directions the lines could go, and there are 4 dots at each direction. 48/80=. ~heeeeeheeeeeee
See Also
2019 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by Problem 5 |
Followed by Problem 7 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AJHSME/AMC 8 Problems and Solutions |
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