2007 iTest Problems/Problem TB4
Problem
Circle is the circumcircle of non-isosceles triangle . The tangent lines to circle at points and intersect at , and the tangents at and intersect at . The external angle bisectors of triangle at and meet at and the external bisectors at and intersect at . Prove that lines , , and are concurrent.
Solution
See also
2007 iTest (Problems, Answer Key) | ||
Preceded by: Problem TB3 |
Followed by: Last Question | |
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