Question: Let ABC be a triangle and let D, E be intersection of points of the bisectors of the interior angles at A and B

Let ABC be a triangle and let D, E be intersection of

Let ABC be a triangle and let D, E be intersection of points of the bisectors of the interior angles at A and B with sides BC, AC, respectively. Let F be the intersection of point of the bisector of the exterior angle at C with the line AB. Prove that the points D, E, F lie on a common line.

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To prove that points D E and F lie on a common line are collinear we will use Menelaus Theorem The t... View full answer

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