2021 Fall AMC 10A Problems/Problem 19
. A disk of radius rolls all the way around in the inside of a square of side length and sweeps out a region of area . A second disk of radius rolls all the way around the outside of the same square and sweeps out a region of area . The value of can be written as , where and are positive integers and and are relatively prime. What is
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2021 Fall AMC 10A (Problems • Answer Key • Resources) | ||
Preceded by Problem 18 |
Followed by Problem 20 | |
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