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MathNet 2003 — Part 02 Question 9

Math Olympiad Vault · MathNet 2003 — Part 02

Question 9

In a square $ABCD$ with side $2$, a segment $MN$ of length $1$ is constrained to have endpoint $M$ on side $AB$ and endpoint $N$ on side $BC$. This segment divides the square into a triangle $T$ and a pentagon $P$. What is the maximum value that the ratio of the area of $T$ to that of $P$ can take?
  1. $\frac{1}{4}$
  2. $\frac{2}{5}$
  3. $\frac{1}{7}$
  4. $\frac{2}{15}$
  5. $\frac{1}{15}$.