The figure shows a triangle ABC and a cevian BD. O_{1}, O_{2}, and O_{3} are
the incircles of triangles ABD, ABC, and BDC. If BE = 4, and BG =
5, find the measure of DF.

Incircle is a circle within a triangle, that is tangent to each side.

A cevian is any segment drawn from a vertex of a triangle to the opposite side or its extension.

Geometry Problems

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Ten problems: 1411-1420

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Triangle

Angle Bisector

Incircle

Circle Tangent Line

Triangle Centers

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