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MathNet 2021 — Part 01 Question 45

Math Olympiad Vault · MathNet 2021 — Part 01

Question 45

Right triangle $ABC$ has side lengths $BC = 6$, $AC = 8$, and $AB = 10$. A circle centered at $O$ is tangent to line $BC$ at $B$ and passes through $A$. A circle centered at $P$ is tangent to line $AC$ at $A$ and passes through $B$. What is $OP$?
  1. $\frac{23}{8}$
  2. $\frac{29}{10}$
  3. $\frac{35}{12}$
  4. $\frac{73}{25}$
  5. 3