Angle relationships between parallel lines inside a triangle- corresponding angles

Angle relationships between parallel lines inside a triangle- corresponding angles
Angles between parallel lines in a triangle- corresponding angles

A parallel line inside a triangle (the line is parallel to one of the sides of the triangle) forms 2 similar triangles
(a small triangle and a large triangle) and equal corresponding angles.

Corresponding angles are angles located in the same position relative to parallel lines intersected by a transversal. Corresponding angles are equal.

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