12) A polygon is drawn and then reflected over the line as shown in the diagram. Which statement is true? A) The two polygons are congruent because all polygons are congruent. B) The two polygons are not congruent because a reflection changes side length The two polygons are not congruent because a reflection changes angle Eliminate measures D) The two polygons are congruent because a reflection does not change size and shape. 13) ​

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap