genyjoannerubiera
09.11.2019 •
Mathematics
Aneedle of length l is dropped on an infinite plane surface that is partitioned into rectangles by horizontal lines that are a apart and vertical lines that are b apart. suppose that the needle’s length l satisfies l < a and l < b. what is the expected number of rectangle sides crossed by the rectangle? what is the probability that the needle will cross at least one side of some rectangle?
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Ответ:
answer:
a and c
step-by-step explanation: