Tuesday, May 4, 2010

Problem 445: Three Tangent Circles, Tangency Points, Circumradius

Geometry Problem
Click the figure below to see the complete problem 445 about Three Tangent Circles, Tangency Points, Circumradius, Triangle.

Problem 445: Three Tangent Circles, Tangency Points, Circumradius
See also:
Complete Problem 445

Level: High School, SAT Prep, College geometry

2 comments:

  1. ▲ABC is a right tr,
    O is incenter of ABC ( OA, OB, OC bisectors)
    =>
    DBEO is square
    =>
    x=2

    ReplyDelete
  2. this is from an old national olimpyad

    ReplyDelete