There are 81 grid points (uniformly spaced) in the square shown in the diagram below, including the points on the edges. Point P is in the center of the square. Given that point Q is randomly chosen among the other 80 points, what is the probability that the line PQ is a line of symmetry for the square?
There are 81 grid points (uniformly spaced) in the square shown in the diagram below, including the points on the edges. Point P is in the center of the square. Given that point Q is randomly chosen among the other 80 points, what is the probability that the line PQ is a line of symmetry for the square? How many ways – Probability Math Puzzles - candidate answer list

How many ways – Probability Math Puzzles

Math Topic: Logic, Probability
Grade: 6, 7, 8

Key Word: Probability Math Puzzles, Logic math puzzle
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