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2021 AMC 10D Question 25

AMC10 · 2021 AMC 10D

Question 25

A rectangle with side lengths $1$ and $3,$ a square with side length $1,$ and a rectangle $R$ are inscribed inside a larger square as shown. The sum of all possible values for the area of $R$ can be written in the form $\tfrac mn,$ where $m$ and $n$ are relatively prime positive integers. What is $m+n?$

Question illustration
  1. $ 14 $
  2. $ 23 $
  3. $ 46 $
  4. $ 59 $
  5. $ 67 $