Posted by clavin on Friday, June 7, 2013 at 5:46am.
is a point outside of circle Γ. The tangent from
P to
Γ
touches at A. A line from
P intersects
Γ at
B and
C such
that ∠ACP=120
∘. If
AC=16 and
AP=19, then the
radius of Γ

heeeeeelp math  Anonymous, Monday, March 24, 2014 at 1:53pm
the radius of the circle will be (16 (3)^1/2)/3