A penny has a radius of units. The penny is tossed up and lands uniformly at random onto a chess board that has squares of side lengths units. Find the probability that the coin is completely contained inside one of the squares when and .
A penny has a radius of units. The penny is tossed up and lands uniformly at random onto a chess board that has squares of side lengths units. Find the probability that the coin is completely contained inside one of the squares when and .
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