2017 AIME I Problems/Problem 15
Problem 15
The area of the smallest equilateral triangle with one vertex on each of the sides of the right triangle with side lengths and
as shown, is
where
and
are positive integers,
and
are relatively prime, and
is not divisible by the square of any prime. Find
$[asy] size(5cm); pair C=(0,0),B=(0,2*sqrt(3)),A=(5,0); real t = .385, s = 3.5*t-1; pair R = A*t+B*(1-t), P=B*s; pair Q = dir(-60) * (R-P) + P; fill(P--Q--R--cycle,gray); draw(A--B--C--A^^P--Q--R--P); dot(A--B--C--P--Q--R); [/asy]$ (Error compiling LaTeX. Unknown error_msg)