Which best describes the meaning of the term theorem? a. a statement that is easily deduced from a proven theorem b. a conclusion proved by deductive reasoning c. a conjecture based on inductive reasoning d. a statement explaining the meaning of a geometric term

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