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 
See Also
| 2021 Fall AMC 10A (Problems • Answer Key • Resources) | ||
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Followed by Problem 20 | |
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