Problem #WSP-000192

Problems Geometry Plane geometry Triangles Similar triangles

Problem

Let $△ A B C$ and $△ D E F$ be two triangles such that $∠ A C B = ∠ D F E$ and $\frac{| D F |}{| A C |} = \frac{| E F |}{| B C |}$ . Prove that $△ A B C$ and $△ D E F$ are similar.

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