The correct matches are :
1. Corresponding angles - A - these corresponding parts are congruent, given two similar triangles.
2. Scale factor - C - the constant by which a figure (or the dimensions of a figure) increases or decreases.
3. Proportional - E - corresponding sides of two similar triangles
4. Similar polygons - B - figures that have congruent angles and corresponding sides that are proportional to one another.
5. Scale drawing - D - a depiction of a real object with accurate sizes except they have all been reduced or enlarged