{"status": "success", "data": {"description_md": "Let $ \\overline{MN}$ be a diameter of a circle with diameter $ 1$. Let $ A$ and $ B$ be points on one of the semicircular arcs determined by $ \\overline{MN}$ such that $ A$ is the midpoint of the semicircle and $ MB=\\frac35$. Point $ C$ lies on the other semicircular arc. Let $ d$ be the length of the line segment whose endpoints are the intersections of diameter $ \\overline{MN}$ with the chords $ \\overline{AC}$ and $ \\overline{BC}$. The largest possible value of $ d$ can be written in the form $ r-s\\sqrt{t}$, where $ r$, $ s$, and $ t$ are positive integers and $ t$ is not divisible by the square of any prime. Find $ r+s+t$.\n___\nLeading zeroes must be inputted, so if your answer is `34`, then input `034`. Full credit goes to [MAA](https://maa.org/) for authoring these problems. These problems were taken on the [AOPS](https://artofproblemsolving.com/) website.", "description_html": "<p>Let $ \\overline{MN}$ be a diameter of a circle with diameter $ 1$. Let $ A$ and $ B$ be points on one of the semicircular arcs determined by $ \\overline{MN}$ such that $ A$ is the midpoint of the semicircle and $ MB=\\frac35$. Point $ C$ lies on the other semicircular arc. Let $ d$ be the length of the line segment whose endpoints are the intersections of diameter $ \\overline{MN}$ with the chords $ \\overline{AC}$ and $ \\overline{BC}$. The largest possible value of $ d$ can be written in the form $ r-s\\sqrt{t}$, where $ r$, $ s$, and $ t$ are positive integers and $ t$ is not divisible by the square of any prime. Find $ r+s+t$.</p>&#10;<hr><p>Leading zeroes must be inputted, so if your answer is <code>34</code>, then input <code>034</code>. Full credit goes to <a href=\"https://maa.org/\">MAA</a> for authoring these problems. These problems were taken on the <a href=\"https://artofproblemsolving.com/\">AOPS</a> website.</p>", "hints_md": "", "hints_html": "", "editorial_md": "", "editorial_html": "", "flag_hint": "", "point_value": 6, "problem_name": "2009 AIME II Problem 15", "can_next": false, "can_prev": true, "nxt": "", "prev": "/problem/09_aime_II_p14"}}