2011 AIME I Problems/Problem 4
Revision as of 14:05, 20 March 2011 by Thesquarerootof (talk | contribs)
In triangle ,
,
and
. The angle bisector of angle
intersects
at point
, and the angle bisector of angle
intersects
at point
. Let
and
be the feet of the perpendiculars from
to
and
, respectively. Find
.